Language：English   Publishing type：Research paper (scientific journal)  

Purpose: The effect of the Rho-kinase inhibitor ripasudil on the retinal optic nerve fiber layer (RNFL) remains unclear. We aimed to determine this effect in patients with primary open-angle glaucoma (POAG) using optical coherence tomography (OCT) measurements and linear mixed analysis. Methods: This study prospectively included outpatients from a single center with POAG without a history of vitreoretinal or glaucoma surgery from December 2014 to June 2020, in whom the circumpapillary RNFL thickness (cpRNFLT) was measured more than three times before and after ripasudil initiation, without additional medication or surgery during the period. Measurements were performed using OCT in the follow-up mode. The cpRNFLT change rates were compared before and after treatment using linear mixed models with adjustments for intraocular pressure (IOP) changes. Results: Thirty eyes of 20 patients (12 males and eight females) were included. Upon ripasudil prescription, the average cpRNFLT was 60.2 ± 2.1 μm. The average IOP was 15.1 ± 0.5 and 13.5 ± 0.5 mmHg, respectively, before and after treatment initiation, with a difference of -1.6 ± 0.3 mmHg. Analysis of 343 cpRNFLT measurements using linear mixed models revealed that the cpRNFLT change rate was -0.91 ± 0.15 and -0.40 ± 0.14 μm/year, respectively, before and after treatment onset, with an increase of 0.51 ± 0.21 μm/year. After adjusting for IOP changes, the improvement in cpRNFLT change rate was 0.33 ± 0.23 μm/year, albeit not statistically significant. Conclusion: The cpRNFLT change rate significantly increased after ripasudil administration, whereas the contribution of the IOP decline was not significant.

DOI： 10.1155/joph/2962982

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PURPOSE: To investigate the relationships among postoperative metamorphopsia and postoperative macular morphological changes and the duration from the onset of visual field disturbance to surgery (DVD) in patients who underwent surgery for macula-off rhegmatogenous retinal detachment (RRD). PATIENTS AND METHODS: We retrospectively reviewed 33 eyes of 33 patients who underwent pars plana vitrectomy (PPV) for macula-off RRD with known onset of symptoms of visual field disturbance at Niigata University Medical and Dental Hospital or Saiseikai Niigata Hospital and were followed up for at least 6 months postoperatively. Optical coherence tomography images of the macula obtained at 6 months postoperatively and DVD were analyzed, and the associations of the DVD with vertical metamorphopsia (vM) and horizontal metamorphopsia (hM) at 6 months postoperatively were evaluated using M-CHARTS. RESULTS: vM was significantly correlated with the DVD and ellipsoid zone (EZ) disruption (P = 0.004 and P = 0.008, respectively), while hM was significantly correlated only with the DVD (P = 0.018). vM was significantly smaller in eyes with a DVD ≤ 7 days (0.34 ± 0.35)) than in eyes with a DVD ≥ 8 days (0.69 ± 0.32) (P = 0.005). In the multivariate analyses, postoperative vM was significantly associated with EZ disruption and the DVD (≤ 7 or ≥ 8 days) (P = 0.012 and P = 0.014, respectively). CONCLUSION: Metamorphopsia after PPV for macula off RRD was associated with the DVD and EZ disruption.

DOI： 10.2147/OPTH.S512396

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Language：Japanese   Publisher：金原出版(株)  

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Language：Japanese   Publisher：(公財)日本眼科学会  

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Other Link： https://search.jamas.or.jp/default/link?pub_year=2024&ichushi_jid=J01049&link_issn=&doc_id=20240718440002&doc_link_id=%2Fdz1nigan%2F2024%2F012807%2F001%2F0525-0532%26dl%3D0&url=https%3A%2F%2Fwww.medicalonline.jp%2Fjamas.php%3FGoodsID%3D%2Fdz1nigan%2F2024%2F012807%2F001%2F0525-0532%26dl%3D0&type=MedicalOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00004_2.gif

Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To evaluate the agreement between 24-2 visual field (VF) test results obtained using the gaze analyzing perimeter (GAP; FINDEX, Tokyo, Japan) and the Humphrey field analyzer (HFA; Carl Zeiss Meditec, Dublin, CA, USA). DESIGN: Cross-sectional study PARTICIPANTS: Patients who underwent HFA 24-2 for suspected or confirmed VF loss and were treated at the Kyoto University Hospital between December 2022 and July 2023. METHODS: Patients underwent consecutive VF tests on the same eye using HFA and GAP 24-2 tests. Bland-Altman analysis was used to compare GAP and HFA results. Examination points where the sensitivity measured using GAP was ≥10 dB higher than that measured using HFA were reevaluated by referring back to the original gaze data; two ophthalmologists assessed whether the gaze moved linearly toward the new test target. MAIN OUTCOME MEASURES: Mean deviation (MD) and elapsed time on an individual basis and sensitivity on an examination point basis. RESULTS: Forty-seven eyes of 47 patients were analyzed. The correlation coefficient of the MD using HFA and GAP was 0.811 (95% confidence interval [CI]: 0.683-0.891). Bland-Altman analysis showed good agreement between HFA and GAP tests. The mean difference (95% limits of agreement [LOA]) in MD between HFA and GAP results was -0.63 dB (-5.81 to 4.54 dB). Although no statistically significant differences were observed in the elapsed time (P = 0.99), measurements completed within 200 s were observed only in the GAP group (11 cases, 23.4%), who had significantly better HFA MD value than others (P=0.001). On an examination point basis for sensitivity, the correlation coefficient between HFA and GAP was 0.691 (95% LOA, 0.670-0.711). Original gaze data assessment revealed that the gaze moved linearly toward the new test target for 70.2% of the examination points with a sensitivity discrepancy. CONCLUSIONS: The results indicate that the GAP provides VF assessment outcomes comparable to those of the HFA. The GAP exhibited advantages in terms of testing time, particularly in patients with minimal VF impairment. Furthermore, the GAP records all eye movements, enabling the objective determination of VF abnormalities based on gaze patterns and facilitating easy post-hoc verification.

DOI： 10.1016/j.ogla.2024.05.003

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PURPOSE: To evaluate the surgical outcomes of intrascleral intraocular lens (IOL) fixation using ab interno trabeculotomy (LOT) in patients with exfoliation glaucoma with lens subluxation. STUDY DESIGN: Retrospective case series. METHODS: Twenty eyes of 18 patients with exfoliation glaucoma and lens or IOL subluxations were included. Three success criteria were based on postoperative intraocular pressure (IOP) (A, ≤15 mmHg; B, ≤18 mmHg; C, ≤21 mmHg). The IOP, number of glaucoma medications, and visual acuity were compared before and after surgery. Success probability was analyzed using Kaplan-Meier survival curves. Cox proportional hazards' regression models were used to examine prognostic factors for surgical failure. RESULTS: The mean follow-up period was 23.4 ± 7.8 months. The mean IOP significantly decreased from 23.2 ± 6.8 mmHg preoperatively to 14.0 ± 4.4 mmHg at 1 year postoperative (P<0.001). Postoperative hyphema and vitreous hemorrhage were observed in seven and 15 eyes, respectively, and washout in the anterior chamber or vitreous cavity was performed in four eyes. Postoperative IOP spikes and hypotony were observed in four eyes each. Glaucoma reoperation was performed in two eyes. The success rates at 12 months were 65%, 85%, and 90% using criteria A, B, and C, respectively. The IOP at 1 month after surgery was a significant prognostic factor for surgical failure according to criterion A (hazard ratio: 1.08; P=0.034). CONCLUSION: Intrascleral IOL fixation combined with microhook LOT is a promising option in cases of exfoliation glaucoma with subluxated lens/IOL; however, the high rate of postoperative hyphema and vitreous hemorrhage should be noted.

DOI： 10.1007/s10384-024-01059-1

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Authorship：Lead author,　Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

DOI： 10.1007/s10384-023-01037-z

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Other Link： https://link.springer.com/article/10.1007/s10384-023-01037-z/fulltext.html

Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

Abstract

The purpose of this study was to evaluate how various parameters are related to microvasculature dropout (MvD) area measured using optical coherence tomography angiography (OCTA). We measured the area of MvD in 55 patients with primary open-angle glaucoma (POAG). Using OCTA, MvD area and peripapillary choroidal atrophy (PPA) area were assessed in a 4.5 mm × 4.5 mm region. The following were examined: circumpapillary nerve fiber layer (cpRNFL) thickness, optic disc area, optic disc cupping area, optic disc rim area, Humphrey Field Analyzer (HFA) 24/10–2 mean deviation (MD), and pattern standard deviation (PSD). The relationship between MvD area and each parameter was evaluated using Spearman’s rank correlation coefficient analysis. Mean MvD area and PPA area were 0.18 ± 0.17 mm² and 1.13 ± 0.72 mm², respectively. MvD area was significantly correlated with optic disc rim area (p = 0.0017), cpRNFL (p = 0.0027), HFA 24/10–2 MD, and PSD (p &lt; 0.001). In eyes with POAG, MvD area indicates the severity of glaucoma, which might be associated with structural changes in the peripapillary vasculature around the optic disc.

DOI： 10.1038/s41598-023-48102-8

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Other Link： https://www.nature.com/articles/s41598-023-48102-8

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PURPOSE: This study aimed to introduce a new technique for lowering intraocular pressure (IOP) using a multi-stent system after the implantation of a Baerveldt glaucoma implant (BGI) and evaluate its clinical effectiveness. STUDY DESIGN: Prospective case series. METHODS: Six patients with uncontrolled refractory glaucoma were enrolled between December 2021 and May 2022. Six 6-0 nylon sutures were preoperatively inserted into the tube of a BGI. These sutures were named "comet stents" (CSs). BGI implantation was performed, and the CSs were removed one-by-one whenever the IOP rose during the follow-up period. IOP was measured 30-60 min after the removal of each CS, and the reduction in IOP was recorded to assess the effect of CS removal. IOP reduction and the effect of CS removal on IOP reduction were evaluated for 6 months. The cut and trimmed stented tubes were examined with scanning electron microscopy, and the ratio of the patent cross-sectional area to the total luminal area (PCSA, %) and the luminal area occupation rate per stent (%) were calculated. RESULTS: The mean (±standard deviation) IOP decreased from 31.5 ± 2.8 mmHg at the baseline to 14.8 ± 8.3 mmHg at 1 month, 8.8 ± 4.7 mmHg at 3 months, and 9.2 ± 3.4 mmHg at 6 months. The IOP reduction induced by CS removal ranged from 0 to 19 mmHg. The mean PCSA was 52.7 ± 1.7%, and the mean luminal area occupation rate per stent was 7.9 ± 0.3%. CONCLUSION: The use of CSs is an effective technique for controlling IOP in a step-by-step manner after BGI surgery.

DOI： 10.1007/s10384-023-01014-6

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We conducted a study to assess the pressure difference between the aqueous and vitreous humors in rabbit eyes using a direct intraocular pressure (IOP) measurement method. A micro-optic-fiber pressure sensor was utilized for this purpose. Preliminary experiments with enucleated porcine eyes confirmed the sensor's accuracy in measuring both aqueous and vitreous humor pressure. The main study involved six healthy albino rabbits, where the sensor measured the pressure in the anterior chamber (aIOP) and posterior vitreous-cavity (pIOP). These measurements were compared to aIOP values obtained through rebound tonometry. Additionally, pre- and postoperative pressure comparisons were made after performing a vitrectomy. Results revealed a significant disparity between aqueous and vitreous humor pressures. Prior to vitrectomy, pIOP was 22.8 mmHg, over twice as high as aIOP (11.0 mmHg), but decreased to a similar level following the procedure. Comparison between the sensor measurements and rebound tonometry showed agreement in aIOP values. In conclusion, our study demonstrates that vitreous humor pressure is consistently higher than aqueous humor pressure, reaching the upper limit of normal IOP. Furthermore, vitrectomy effectively reduces pIOP, aligning it with aIOP. These findings contribute valuable insights into intraocular pressure dynamics and have implications for clinical interventions targeting ocular pressure regulation.

DOI： 10.1038/s41598-023-45616-z

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: The aim is to analyze the surgical outcomes of glaucomatous patients with steroid treatment and investigate the factors, including atopic dermatitis, associated with the surgical success rate. MATERIALS AND METHODS: We retrospectively enrolled participants who required first trabeculotomy for glaucoma with steroid treatment between May 2005 and February 2018 and then compared the postoperative outcomes according to the history of atopic dermatitis or surgical procedures. Surgical success was defined as postoperative IOP ≤ 21 mmHg, ≥20% reduction from baseline, and absence of reoperation. The factors influencing the surgical success rates were investigated using mixed-effects Cox regression. RESULTS: The study included 70 eyes of 46 patients (18 eyes of 12 patients with atopic dermatitis). Postoperative intraocular pressure was not significantly different between eyes with and without atopic dermatitis (12 months after the surgery: patients without atopic dermatitis, 15.4 ± 3.6 mmHg; patients with atopic dermatitis, 16.1 ± 3.9 mmHg; P = 0.65). Twelve months after the surgery, the number of postoperative medications was higher in patients with atopic dermatitis than in those without (2.8 ± 1.3 vs. 2.0 ± 1.7; P = 0.060). However, no significant differences were noted in surgical success rates between patients with atopic dermatitis and those without (P = 0.54). Mixed-effects Cox regression of surgical success rate indicated that only the number of preoperative medications significantly influenced surgical success (P = 0.03). CONCLUSIONS: Regardless of the presence of atopic dermatitis, patients taking many preoperative glaucomatous medications might require reoperation.

DOI： 10.7759/cureus.47510

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Authorship：Lead author,　Corresponding author   Publishing type：Research paper (scientific journal)   Publisher：MDPI AG  

This study investigated the influence of asymmetric corneal hysteresis (CH) on asymmetric visual field impairment between right and left eyes in patients with primary open-angle glaucoma (POAG) without a history of intraocular surgery. CH, corneal resistance factor (CRF), and corneal compensated intraocular pressure (IOPcc) were measured using the Ocular Response Analyzer. Differences between the eyes (right eye–left eye: DIFRL) and CH-based and in target parameters (higher CH eye–lower CH eye: DIFCH) were calculated in the same patient. In 242 phakic eyes of 121 patients, older age (p &lt; 0.001), lower CH (p = 0.001), and lower CRF (p = 0.007) were significantly associated with worse standard automated perimetry (SAP) 24-2 mean deviation (MD). The DIFsRL in axial length (p = 0.003), IOPcc (p = 0.028), and CH (p = 0.001) were significantly associated with the DIFRL in SAP24-2 MD, but not in central corneal thickness (CCT), Goldmann applanation tonometry (GAT) measurement, and CRF. When dividing the patients into two groups based on the median of the CH DIFsCH (0.46), the DIFsCH in CRF (p &lt; 0.001), IOPcc (p &lt; 0.001), CCT (p = 0.004), SAP24-2 MD (p &lt; 0.001), and SAP10-2 MD (p = 0.010) were significantly different between the groups. Large inter-eye asymmetry in CH is an important explanatory factor for disease worsening in patients with POAG.

DOI： 10.3390/jcm12134514

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Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.2147/OPTH.S415654

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Language：English   Publishing type：Research paper (scientific journal)  

The purpose of the study was to investigate the number of examinations required to precisely predict the future central 10-degree visual field (VF) test and to evaluate the effect of fitting non-linear models, including quadratic regression, exponential regression, logistic regression, and M-estimator robust regression model, for eyes with glaucoma. 180 eyes from 133 open angle glaucoma patients with a minimum of 13 Humphrey Field Analyzer 10-2 SITA standard VF tests were analyzed in this study. Using trend analysis with ordinary least squares linear regression (OLSLR), the first, second, and third future VFs were predicted in a point-wise (PW) manner using a varied number of prior VF sequences, and mean absolute errors (MAE) were calculated. The number of VFs needed to reach the minimum 95% confidence interval (CI) of the MAE of the OLSLR was investigated. We also examined the effect of applying other non-linear models. When predicting the first, second, and third future VFs using OLSLR, the minimum MAE was obtained using VF1-12 (2.15 ± 0.98 dB), VF1-11 (2.33 ± 1.10 dB), and VF1-10 (2.63 ± 1.36 dB), respectively. To reach the 95% CI of these MAEs, 10, 10, and 8 VFs were needed for the first, second and third future VF predictions, respectively. No improvement was observed by applying non-linear regression models. As a conclusion, approximately 8-10 VFs were needed to achieve an accurate prediction of PW VF sensitivity of the 10-degree central VF.

DOI： 10.1038/s41598-022-23604-z

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

The effect of trabecular meshwork (TM)-targeted minimally invasive glaucoma surgery (MIGS) on the vasculature assessed using anterior segment (AS)-optical coherence tomography angiography (OCTA) has not been established. In this prospective, longitudinal study, we investigated changes in the deep vasculature following TM-targeted MIGS using AS-OCTA for open-angle glaucoma in 31 patients. AS-OCTA images of the sclera and conjunctiva at the nasal corneal limbus were acquired preoperatively and 3 months postoperatively, and the vessel densities (VDs) of the superficial (conjunctival) and deep (intrascleral) layers were calculated. The VDs before and after MIGS were compared, and the factors associated with the change in VD following MIGS were analyzed. The mean deep VD decreased from 11.98 ± 6.80% at baseline to 10.42 ± 5.02% postoperatively (P = 0.044), but superficial VD did not change (P = 0.73). The multivariate stepwise regression analysis revealed that deep VD reduction was directly associated with IOP reduction (P < 0.001) and preoperative IOP (P = 0.007) and inversely associated with preoperative deep VD (P < 0.001). The deep VD reduction following MIGS was significant in the successful group (21 eyes) (P = 0.032) but not in the unsuccessful group (10 eyes) (P = 0.49). The deep VDs assessed using AS-OCTA decreased following TM-targeted MIGS, especially in the eyes with good surgical outcomes.

DOI： 10.1038/s41598-022-22104-4

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Language：Japanese   Publisher：(公財)日本眼科学会  

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To elucidate the noninferiority of ab interno microhook trabeculotomy (μTLO) using a recently developed reusable stainless spatula-type microhook device to incise the trabecular meshwork to Trabectome (Neomeix, Inc) surgery in terms of the 1-year postoperative outcomes of Japanese patients with glaucoma by means of propensity score analyses. DESIGN: Multicenter, retrospective cohort study. PARTICIPANTS: We enrolled 553 and 392 patients who underwent Trabectome surgery and μTLO, respectively, between January 2014 and March 2020 at 10 facilities. METHODS: Logistic regression analysis was conducted to calculate the propensity score, which indicates the likelihood of treatment assignment (Trabectome or μTLO). We set the following factors as outcome-related covariates: age, sex, facility, glaucoma disease types, preoperative intraocular pressure (IOP), glaucoma drug score, mean deviation of Humphrey visual field test results, antithrombotic drug use, the presence or absence of combined cataract surgery, and incision range of the trabecular meshwork (1 or 2 quadrants). We analyzed 4 different methods (matching, inverse probability of treatment weighting [IPTW], stratification, and regression adjustment) using the propensity score. We set 15% as the noninferiority margin based on previous Trabectome meta-analysis results. MAIN OUTCOME MEASURES: The primary outcome was surgical success at 1 year after surgery. We defined surgical success as satisfying all 3 criteria: (1) IOP within 5 to 21 mmHg, (2) IOP reduction of 20% or more from preoperative IOP, and (3) no additional glaucoma surgery. RESULTS: The 95% confidence interval of risk difference of surgical failure in μTLO in reference to Trabectome surgery was -12.1% to +9.5% in matching, -12.7% to +11.1% in IPTW, -12.2 to +7.0 in stratification, and -9.7% to +8.1% in regression adjustment, all of which fell within the predetermined noninferiority margin of 15%. CONCLUSIONS: Surgical success of μTLO at 1 year after was not inferior to that of Trabectome surgery.

DOI： 10.1016/j.ogla.2021.11.005

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

Optical coherence tomography angiography (OCTA) is a new technique for non-invasive imaging of blood vessels, allowing combined evaluation of both deep and surface vessels. The purpose of this study was to evaluate the post-trabeculectomy longitudinal changes in complete avascular area (CAA) of filtering blebs using anterior segment (AS-) OCTA and their association with surgical outcomes. This study included 57 eyes of 53 patients who had undergone trabeculectomy with mitomycin C. AS-OCTA images of filtering bleb were acquired at 3 and 6 months after trabeculectomy, and at 1 month in possible cases. CAAs, regions where complete blood flow was not depicted in AS-OCTA images, were evaluated for their presence, extent, and change over time. CAAs were detected in 37 eyes (65%) and 33 eyes (58%) at 3 and 6 months postoperatively, respectively. The extent of CAAs reduced over time after surgery in most cases. No parameters related to CAAs were significantly associated with surgical success (i.e., intraocular pressure (IOP) ≤ 12 mmHg and IOP reduction > 20% without medication). In conclusion, although it is difficult to predict surgical success by CAA itself, AS-OCTA may be useful for the objective evaluation of the vascularity of filtering blebs.

DOI： 10.1038/s41598-021-02871-2

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Association for Research in Vision and Ophthalmology (ARVO)  

DOI： 10.1167/tvst.10.11.17

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

We performed a prospective, longitudinal study to investigate the association between the preoperative intrascleral vasculature assessed using anterior segment (AS)-optical coherence tomography angiography (OCTA) and surgical outcomes of trabecular meshwork-targeted micro- or minimally invasive glaucoma surgery (MIGS). We included 37 patients with primary open-angle glaucoma. Preoperative AS-OCTA images of the sclero-conjunctiva of the nasal corneal limbus were acquired in the superficial (conjunctival) and deep (intrascleral) layers. The vessel densities (VDs) of each layer were measured separately in the entire area, limbal side, and fornix area. Surgical success was determined by postoperative intraocular pressure (IOP) and IOP reduction. Twenty-three and 14 eyes were classified as having successful and unsuccessful outcomes, respectively. The deep VDs of the entire area and fornix area were significantly lower in the successful group (P = 0.031 and P = 0.009). The success rate was significantly higher for eyes with a lower deep VD than for eyes with a higher deep VD. A greater IOP reduction was significantly associated with lower deep VD in the fornix area (P = 0.022) and higher preoperative IOP (P < 0.001). These results indicate that intrascleral vasculature assessed using preoperative AS-OCTA was negatively correlated with surgical success and IOP reduction resulting from trabecular meshwork-targeted MIGS. AS-OCTA images might help predict MIGS outcomes.

DOI： 10.1038/s41598-021-97290-8

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To investigate the association between the use of topical β-blockers and subsequent asthma attacks in glaucoma patients with asthma. METHODS: This was a retrospective longitudinal cohort study using an administrative claims database. All patients aged 20 years or older who were registered in the health insurance claims database updated and managed by JMDC Inc. (Tokyo, Japan). Patients who were newly prescribed eye drops for glaucoma treatment were identified between 2011 and 2017. The patients with glaucoma were divided into two groups: β-blocker users and non-β-blocker users, based on the presence of a β-blocker in the prescribed eye drops. We investigated whether the incidence of asthma attacks in patients with previously treated asthma differed between the two groups. RESULTS: We categorized 17,666 patients in the β-blocker-user group and 12,609 patients in the non-β-blocker-user group. A total of 580 patients in the β-blocker group (3.28%) and 847 in the non-β-blocker group (6.72%) underwent asthma treatment before the prescription of anti-glaucoma eye drops (P < 0.001). Furthermore, 94 patients in the β-blocker-user group (0.53%) and 278 in the non-β-blocker user group (2.20%) were undergoing current treatment for asthma (P < 0.001). The adjusted hazard ratios of asthma attacks were 0.73 (95% confidence interval, 0.46-1.16, P = 0.18) in patients with a history of asthma treatment and 1.22 (95% confidence interval, 0.56-2.70, P = 0.62) in patients with current asthma treatment, compared to the non-β-blocker-user group. CONCLUSION: Our results clarified that several patients with asthma were prescribed topical β-blockers for glaucoma treatment. However, asthma attacks may not be significantly attributed to topical β-blockers, even in glaucoma patients under current asthma treatment. The administration of topical β-blockers to asthma patients could be a treatment option in the absence of other treatment options, if adequate informed consent is obtained. Further studies are needed to draw a firm conclusion on this clinical question.

DOI： 10.1007/s00417-021-05357-z

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Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To investigate the effect of denoise processing by artificial intelligence (AI) on the optical coherence tomography angiography (OCTA) images in eyes with retinal lesions. METHODS: Prospective, observational, cross-sectional study. Optical coherence tomography angiography imaging of a 3 × 3-mm area involving the lesions (neovascularization, intraretinal microvascular abnormality, and nonperfusion area) was performed five times using OCT-HS100 (Canon, Tokyo, Japan). We acquired AI-denoised OCTA images and averaging OCTA images generated from five cube scan data through built-in software. Main outcomes were image acquisition time and the subjective assessment by graders and quantitative measurements of original OCTA images, averaging OCTA images, and AI-denoised OCTA images. The parameters of quantitative measurements were contrast-to-noise ratio, vessel density, vessel length density, and fractal dimension. RESULTS: We studied 56 eyes from 43 patients. The image acquisition times for the original, averaging, and AI-denoised images were 31.87 ± 12.02, 165.34 ± 41.91, and 34.37 ± 12.02 seconds, respectively. We found significant differences in vessel density, vessel length density, fractal dimension, and contrast-to-noise ratio (P < 0.001) between original, averaging, and AI-denoised images. Both subjective and quantitative evaluations showed that AI-denoised OCTA images had less background noise and depicted vessels clearly. In AI-denoised images, the presence of fictional vessels was suspected in 2 of the 35 cases of nonperfusion area. CONCLUSION: Denoise processing by AI improved the image quality of OCTA in a shorter time and allowed more accurate quantitative evaluation.

DOI： 10.1097/IAE.0000000000003101

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：S. Karger AG  

Descemet’s membrane detachment (DMD) is a rare but serious complication of phacoemulsification surgery. A small DMD may resolve spontaneously, but extensive DMD often requires intracameral injection of air, nonexpansile gases, or expansile gases. A 92-year-old man who underwent phacoemulsification and aspiration with intraocular lens placement in the right eye had significantly reduced visual acuity, with a hazy cornea after surgery. Anterior segment optical coherence tomography (AS-OCT) examination revealed extensive DMD throughout the cornea. He was treated with intracameral injection of 20% sulfur hexafluoride. As a result, the Descemet membrane was successfully reattached, and the corneal edema resolved. AS-OCT was helpful in confirming the presence and extent of DMD, provided useful information to determine the appropriate treatment, and was useful for monitoring DMD.

DOI： 10.1159/000517351

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

PURPOSE: To evaluate the association between daily coffee consumption and intraocular pressure (IOP) in healthy persons without glaucoma and the association between daily coffee consumption and history of glaucoma. DESIGN: Cross-sectional study. PARTICIPANTS: A total of 9850 individuals participated in the first follow-up of the Nagahama Prospective Cohort for Comprehensive Human Bioscience (the Nagahama Study) conducted between 2013 and 2016. METHODS: All participants underwent a standardized ophthalmic examination. Self-reporting questionnaires were completed by all participants. First, the association between habitual coffee consumption and IOP among nonglaucoma individuals was evaluated by a multivariate linear regression analysis, adjusting for possible confounders. Second, the association between habitual coffee consumption and history of glaucoma also was evaluated using a multivariate logistic regression analysis. MAIN OUTCOME MEASURES: The association between habitual coffee consumption and IOP among nonglaucoma individuals. RESULTS: Of 9850 participants, 9418 did not have history of glaucoma. Among these participants, the mean ± standard deviation IOP of both eyes was 14.7 ± 2.9 mmHg. The multivariate regression analysis revealed that habitual coffee consumption was associated significantly with IOP (P < 0.001): the higher the consumption of coffee, the lower the IOP of an individual. The IOP of the group who consumed coffee most frequently (3 times daily or more) was 0.4 mmHg lower (95% confidence interval, 0.2-0.5 mmHg lower) than that of the group that consumed coffee least frequently (less than once daily). However, the logistic regression analysis showed that habitual coffee consumption was not associated significantly with history of glaucoma (P = 0.53). CONCLUSIONS: Frequent coffee consumption was associated with a slightly lower IOP in people without glaucoma but was not associated with a decreased risk of glaucoma developing. Additional experimental studies are needed to examine the effects of coffee on IOP and glaucoma risk.

DOI： 10.1016/j.ogla.2020.09.019

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BACKGROUND AND OBJECTIVE: Investigations of morphological changes in photoreceptors in Behçet's disease (BD) using adaptive optics scanning light ophthalmoscope (AOSLO) are lacking. The authors aimed to evaluate macular cone density and regularity in BD patients with or without a history of uveitis with good visual acuity (VA). PATIENTS AND METHODS: The authors included 16 patients (29 eyes) with BD and 12 healthy volunteers (12 eyes) as controls. All subjects had VA of 20/20 or higher. Subjects underwent AOSLO to evaluate the photoreceptor status including cone density (numbers/mm2) and proportion of hexagonal Voronoi domains. RESULTS: Hyporeflective patches that were not detected in color fundus photograph or optical coherence tomography were observed by AOSLO in BD patients both with and without past uveitis history; these were not detected in the control group. Cone density was significantly reduced in BD patients with a history of uveitis compared to controls (P = .002). The proportion of hexagonal Voronoi domains was significantly reduced in BD eyes both with and without history of uveitis relative to controls (P < .001). CONCLUSION: Macular photoreceptor damage was observed in BD patients with and without a history of uveitis. [Ophthalmic Surg Lasers Imaging Retina. 2021;52:218-225.].

DOI： 10.3928/23258160-20210330-06

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PURPOSE: To assess the characteristics of glaucoma patients who received systemic or topical steroid treatment. METHODS: Patients who received steroid treatment were selected from a total of 4256 patients at our tertiary referral center of glaucoma management between August 2011 and October 2017. Clinical characteristics of the subjects were extracted from clinical records. To evaluate the factors influencing highest intraocular pressure during observation (max-IOP) or mean deviations (MDs) of visual field at the first and last visits, univariate and multivariate regression analyses were performed using a generalized estimating equation. RESULTS: Three hundred and eighty-two eyes of 196 patients were included in this study. The most frequent disease as the reason for steroid treatment was atopic dermatitis (58 eyes) followed by autoimmune diseases. The patients with atopic dermatitis were significantly younger (38.0 ± 11.2 years old, p < 0.001) and had lower MD (- 9.3 ± 9.1 dB at first visit, p = 0.01; - 10.6 ± 9.2 dB at last visit, p = 0.004) than those with other diseases. In multivariate regression analysis, age and MD at first visit, max-IOP, and atopic dermatitis were correlated with MD at last visit. CONCLUSIONS: The results of the present study suggest that patients with atopic dermatitis carry the risk of irreversible visual field loss even in youth. For earlier detection of high intraocular pressure, reinforcement of ophthalmological screening in management of atopic dermatitis should be recommended.

DOI： 10.1007/s00417-020-04925-z

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

Glaucoma is a multifactorial optic neuropathy, possibly involving vascular dysfunction, leading to the death of retinal ganglion cells and their axons. Disc hemorrhage (DH) is known to be closely associated with the widening of retinal nerve fiber layer defect (NFLD); however, it has not been well elucidated how DH affects retinal microvasculature. We aimed to investigate the association between DH history and longitudinal changes in superficial retinal microvasculature in NFLD. We enrolled 15 glaucoma patients with DH history (32 glaucomatous NFLD locations, with or without DH history). NFLD-angle, superficial retinal vessel density (VD), and decreased superficial retinal microvasculature (deMv)-angle were assessed using optical coherence tomography angiography for at least three times over time. The mean follow-up period and OCT/OCTA scan interval were 21.3 ± 5.4 months (range, 12-28) and 6.8 ± 0.4 months (range, 2-18), respectively. Linear mixed-effects models showed that the presence of DH history was significantly associated with an additional NFLD-angle widening of 2.19 degree/year (P = 0.030), VD decrease of 1.88%/year (P = 0.015), and deMv-angle widening of 3.78 degree/year (P < 0.001). These changes were significantly correlated with each other (P < 0.001). Thus, the widening of NFLD was closely associated with deMv, and DH was associated with a subsequent decrease in superficial retinal microvasculature in NFLD.

DOI： 10.1038/s41598-020-79151-y

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

BACKGROUND: To investigate the short-term effects of different types of anti-glaucoma eyedrop on sclero-conjunctival vasculatures and their associations with intraocular pressure (IOP) reduction. METHODS: This was a prospective study including 20 healthy subjects. A single instillation of ripasudil or bimatoprost was introduced into the right eyes of the participants. The superficial (conjunctival) and deep (intrascleral) vasculatures of the corneal limbus using anterior-segment optical coherence tomography angiography (OCTA) and IOP were examined in both eyes at baseline and 15 min and 2 h after instillation. RESULTS: In the ripasudil group, the vessel density (VD) (median) at baseline (deep, 13.1%; superficial, 28.5%) significantly increased in both layers at 15 min (deep, 19.9%; superficial, 37.3%) and the deep layer at 2 h (deep, 14.8%; superficial, 31.6%). In the bimatoprost group, the superficial VD significantly changed over time, but the deep VD did not. The greater effect of ripasudil on IOP reduction was significantly associated with a lower baseline VD in the deep layer (at 15 min, p = 0.004; at 2 h, p = 0.018). CONCLUSIONS: Differences in the timing, depth, and extent of the effects on vasculature after instillations, could be detected using OCTA. The IOP-lowering effects of ripasudil might be associated with the deep vasculature.

DOI： 10.3390/jcm9124016

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Purpose: To investigate longitudinal changes in the retinal nerve fiber bundle in eyes with primary open angle glaucoma using adaptive optics scanning laser ophthalmoscopy. Methods: A prospective observational case series. Fourteen eyes from 12 patients with primary open angle glaucoma that exhibited retinal nerve fiber layer defects on fundus photography were imaged with adaptive optics scanning laser ophthalmoscopy over time. Results: The expansion of retinal nerve fiber bundle narrowing was observed on adaptive optics scanning laser ophthalmoscopy in 8 eyes (57.1%) over a period of 1.44 ± 0.42 years. Retinal nerve fiber bundle narrowing expanded horizontally in 2 eyes and vertically in 6 eyes. In 3 eyes, changes in the retinal nerve fiber layer were only detectable on adaptive optics scanning laser ophthalmoscopy images. Conclusions and Importance: The expansion of retinal nerve fiber bundle narrowing was observed using adaptive optics scanning laser ophthalmoscopy. Accordingly, this tool may be a useful tool for detecting glaucoma-related changes in retinal nerve fibers in a short time.

DOI： 10.1016/j.ajoc.2020.100732

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：S. Karger AG  

DOI： 10.1159/000508067

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PURPOSE: To investigate the effect of image averaging on qualitative and quantitative assessments of optical coherence tomography angiography (OCTA) images from eyes of patients with branch retinal vein occlusion (BRVO). METHODS: Macular OCTA images of 33 eyes of 33 patients with BRVO were obtained using the HS100 HR-SD-OCT system (Canon, Inc.). For each eye, five OCTA cube scans were obtained with a 3 × 3 mm scan protocol, and the data were averaged and compounded into a single high image quality cube data using built-in software. Pre- and post-averaging images were compared qualitatively and quantitatively in superficial capillary plexus (SCP) and deep capillary plexus (DCP) OCTA image slabs. RESULTS: After averaging, all OCTA images showed marked improvement in image quality with less background noise and better vessel continuity. The number of microaneurysms in both the SCP and DCP was larger in single images than in averaged images. A significant increase in the detection rate of capillary telangiectasia in the DCP was noted after image averaging. The number of eyes with disrupted foveal avascular zone (FAZ) decreased significantly after averaging (P = .0253). Five eyes (15.2%) with a disrupted FAZ on the single image showed an intact FAZ after averaging. Vessel length density (VLD) and fractal dimension (FD) significantly decreased and vessel diameter index (VDI) increased after averaging, while significant changes were not observed in vessel density (VD) in both the SCP and DCP. In the SCP, lower VD, VLD, and fractal dimension were significantly correlated with worse visual acuity. CONCLUSIONS: OCTA averaging has a significant effect on qualitative and quantitative assessments in eyes with BRVO.

DOI： 10.1007/s00417-020-04713-9

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BACKGROUND: To investigate the effects of deep learning denoising on quantitative vascular measurements and the quality of optical coherence tomography angiography (OCTA) images. METHODS: U-Net-based deep learning denoising with an averaged OCTA data set as teacher data was used in this study. One hundred and thirteen patients with various retinal diseases were examined. An OCT HS-100 (Canon inc., Tokyo, Japan) performed a 3 × 3 mm2 superficial capillary plexus layer slab scan centered on the fovea 10 times. A single-shot image was defined as the original image and the 10-frame averaged image and denoised image generated from the original image using deep learning denoising for the analyses were obtained. The main parameters measured were the OCTA image acquisition time, contrast-to-noise ratio (CNR), peak signal-to-noise ratio (PSNR), vessel density (VD), vessel length density (VLD), vessel diameter index (VDI), and fractal dimension (FD) of the original, averaged, and denoised images. RESULTS: One hundred and twelve eyes of 108 patients were studied. Deep learning denoising removed the background noise and smoothed the rough vessel surface. The image acquisition times for the original, averaged, and denoised images were 16.6 ± 2.4, 285 ± 38, and 22.1 ± 2.4 s, respectively (P < 0.0001). The CNR and PSNR of the denoised image were significantly higher than those of the original image (P < 0.0001). There were significant differences in the VLD, VDI, and FD (P < 0.0001) after deep learning denoising. CONCLUSIONS: The deep learning denoising method achieved high speed and high quality OCTA imaging. This method may be a viable alternative to the multiple image averaging technique.

DOI： 10.3390/jcm9051322

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：American Medical Association (AMA)  

DOI： 10.1001/jamaophthalmol.2019.0318

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

DOI： 10.1016/j.ogla.2019.11.002

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Authorship：Lead author,　Corresponding author   Language：Japanese   Publisher：金原出版(株)  

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Authorship：Lead author,　Corresponding author   Language：Japanese   Publishing type：Research paper (scientific journal)   Publisher：Igaku-Shoin Ltd  

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DOI： 10.1016/j.ajo.2019.05.008

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PURPOSE: To compare the retinal area measured on a panoramic en face optical coherence tomography angiography (OCTA) image with that on an ultra-widefield fluorescein angiography (UWF FA) image. METHODS: Sixteen eyes (11 with branch retinal vein occlusion, 2 with central retinal vein occlusion, 1 with branch retinal artery occlusion, and 2 with hypertensive retinopathy) were included in this study. A panoramic en face OCTA image was created from five single non-panoramic en face OCTA 12 × 12-mm images. The panoramic OCTA image was superimposed on the corresponding UWF FA image after image registration; the total retinal area was measured using the grid displayed on the UWF FA image. The area on the UWF FA image was measured using stereographic projection software. RESULTS: The area of retina measured on a single non-panoramic 12 × 12-mm en face OCTA image, a panoramic en face OCTA image, and a UWF FA image was 152.4 ± 3.4 mm2, 369.6 ± 26.9 mm2, and 813.1 ± 24.4 mm2, respectively (P < 0.0001). The panoramic OCTA image was 2.42-fold larger than a single non-panoramic 12 × 12-mm OCTA image and 0.46-fold smaller than a UWF FA image. CONCLUSIONS: Grid-based measurements using an OCTA image superimposed on the UWF FA image enabled measurement on the panoramic en face OCTA image with minimum influence of magnification errors because of the curved surface of the retina.

DOI： 10.1007/s00417-019-04310-5

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PURPOSE: To characterize and compare the ganglion cell complex (GCC) thickness and macula vessel density in preperimetric and early primary open-angle glaucoma (POAG) eyes. DESIGN: Cross-sectional study. METHODS: Fifty-seven healthy, 68 preperimetric, and 162 early POAG eyes enrolled in the Diagnostic Innovations in Glaucoma Study. Optical coherence tomography angiography (OCT-A)-based superficial macula vessel density and OCT-based GCC thickness were evaluated simultaneously. Percent loss from normal of GCC thickness and macula vessel density was compared. Area under the receiver operating characteristic curve was used to describe the diagnostic utility. RESULTS: Both GCC thickness and vessel density were significantly lower in preperimetric and early POAG eyes compared to healthy eyes. Compared to the preperimetric POAG group, the early POAG group showed larger GCC thickness percent loss (whole image 4.72% vs 9.86%; all P < .01) but similar vessel density percent loss (whole image 4.97% vs 6.93%; all P > .05). In preperimetric POAG, GCC thickness and vessel density percent losses were similar (all P > .1). In contrast, in early POAG, GCC thickness percent loss was larger than that of vessel density (all P ≤ .001). To discriminate preperimetric or early glaucoma eyes from healthy eyes, GCC thickness and macula vessel density showed similar diagnostic accuracy (all P > .05). CONCLUSIONS: Both GCC thinning and macula vessel density dropout were detectable in preperimetric and early POAG eyes. GCC loss was greater than macula vessel density loss in early perimetric POAG. However, OCT-A and OCT measurements showed similar efficiency to detect early glaucoma.

DOI： 10.1016/j.ajo.2018.11.012

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

DOI： 10.1016/j.ogla.2018.10.009

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: To investigate conjunctival and intrascleral vasculatures using anterior segment optical coherence tomography angiography (AS-OCTA) in normal eyes. DESIGN: Cross-sectional study. METHODS: AS-OCTA images of the corneal limbus were acquired circumferentially using a swept-source optical coherence tomography system in 10 eyes of 10 healthy subjects. AS-OCTA flow patterns with en face maximum projection were compared between the superficial (from the conjunctival epithelium to a depth of 200 μm) and deep (from a depth of 200 μm to 1000 μm) layers. The OCTA images were also compared with fluorescein scleral angiography and indocyanine green aqueous angiography images. Quantitative parameters (vessel density, vessel length density, vessel diameter index, and fractal dimension) were compared among different locations. RESULTS: The OCTA vessel patterns differed between the superficial and deep layers. The superficial-layer flow signals showed centrifugal patterns from the limbus, whereas the deep-layer flow signals showed segmental patterns. The OCTA en face images with whole signals had a similar appearance to the scleral angiography images, whereas those in the deep layer showed a similar appearance to the aqueous angiography images. In the superficial layer, only the vessel diameter index was significantly different among the locations (P = .003). In the deep layer, all 4 parameters differed significantly among the locations (P < .001 to P = .003). CONCLUSIONS: OCTA is a promising tool for evaluating conjunctival and intrascleral vasculatures. It may also help in understanding ocular surface blood flow relevant to vascular and ocular surface diseases, as well as aqueous humor outflow.

DOI： 10.1016/j.ajo.2018.08.009

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

PURPOSE: The purpose of this study was to investigate the lamina cribrosa (LC) microvasculature using swept-source optical coherence tomography angiography (OCTA) images that have been processed using multiple image averaging and a projection-resolved algorithm. OCTA has recently gained popularity for assessing retinal and choroidal microvasculature. However, it is not known if the LC microvasculature, which likely holds important information for further understanding of glaucoma, can be visualized with OCTA. METHODS: One normal subject and 1 glaucomatous subject were enrolled and optic disc 3×3 mm swept-source OCTA cubic images were obtained for each subject. Anterior LC slab frames were developed, and the averaged images were created using 3 frames. Images were examined both with and without removal of projection artifacts. RESULTS: The OCTA images of anterior LC slabs before projection artifact removal contained information on superficial and deep layer vessel blood flow. However, after projection artifact removal, fewer blood flow signals remained. These en face OCTA images showed flow signals on or immediately adjacent to lamina beams, but not inside lamina pores. The glaucomatous eye had a sectoral reduction in LC microvasculature blood flow that was not detected in normal eye. CONCLUSIONS: This is the first demonstration of imaging of the inner LC microvasculature, which, in agreement with previous histologic reports, was arranged in a polygonal pattern. Furthermore, glaucomatous eye had decreased flow signals in comparison with normal eye. Therefore, future imaging studies with OCTA may be helpful for identifying and better understanding LC pathologic changes associated with glaucoma.

DOI： 10.1097/IJG.0000000000001069

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DOI： 10.1038/s41598-018-35419-y

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier BV  

DOI： 10.1016/j.ogla.2018.06.001

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier Inc.  

DOI： 10.1016/j.ajo.2018.02.002

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DOI： 10.1038/s41467-018-03649-3

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Authorship：Last author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Tokyo  

DOI： 10.1007/s10384-017-0559-0

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Science and Business Media LLC  

DOI： 10.1007/s00417-017-3874-8

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Other Link： http://link.springer.com/content/pdf/10.1007/s00417-017-3874-8.pdf

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Lippincott Williams and Wilkins  

DOI： 10.1097/IJG.0000000000000964

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Language：English   Publishing type：Research paper (scientific journal)   Publisher：Lippincott Williams and Wilkins  

DOI： 10.1097/IJG.0000000000000862

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Lacrimal canaliculus (LC) has a key role in tear drainage, but it is difficult to evaluate the LC in detail, using the existing examinations. In this study, our novel LC imaging technique provided the high-resolution images of LC in a non-invasive manner. Three-dimensional images of LC were acquired via the palpebral conjunctiva from 20 healthy volunteers (20 eyes) and 10 patients with various lacrimal disorders (10 eyes), using optical coherence tomography (OCT) dacryography (OCTD). The LC images showed morphological differences between the vertical and horizontal segments. The function of LC could be evaluated by measuring the intralumen signal intensity over time after instillation of a contrast agent (2% rebamipide ophthalmic suspension). OCTD clearly visualised the blind extremity of the LC in four patients with punctal obstruction, which was useful for deciding the punctal incision location. In one patient with canalicular obstruction, contrast agent successfully highlighted the LC that had become narrow toward the site of obstruction. Significant differences were not found in the function and morphology of LC between the patients with NLDO and the healthy subjects. OCTD may be a useful tool for LC imaging, because it facilitates quantitative and simultaneous evaluation of LC morphology and function.

DOI： 10.1038/s41598-018-27802-6

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This study evaluated the morphological change in aqueous humor outflow (AHO) pathways using swept-source optical coherence tomography (SS-OCT) volumetric scans in glaucoma patients before and after glaucoma surgery. In this prospective observational case series, 15 eyes (13 patients) with glaucoma were treated with 120-degree Trabectome or 360-degree suture trabeculotomy and followed up for 3 months. B-scan images of the posttrabecular AHO pathway were reconstructed and the pathway areas were evaluated, before and after surgery. Changes in posttrabecular AHO pathway were qualitatively classified as "increased", "non-significant change", and "decreased" on reconstructed B-scan images. Quantitative measurements of the posttrabecular AHO pathway areas were performed pre- and postoperatively. Factors associated with both qualitative and quantitative changes in AHO pathway were investigated. From 30 regions (15 nasal and 15 temporal regions) in the 15 eyes, AHO pathways were analyzable in 20 regions pre- and postoperatively. Qualitative assessments of the pathway changes were "increased" in 8 regions, "non-significant change" in 9 regions, and "decreased" in 3 regions. Quantitative assessments of the average pathway area did not change significantly (from 3155±1633 pixels preoperatively to 3212±1684 pixels postoperatively, P = 0.50). All parameters relating to intraocular pressure changes or the surgical location were not associated with postoperative AHO pathway change. The intrascleral AHO pathway could be well visualized in glaucoma patients pre- and postoperatively using swept-source optical coherence tomography. However, structural changes in the AHO pathway assessed by SS-OCT were not significant after trabecular-targeted glaucoma surgery. Functional assessments of AHO are needed in future studies.

DOI： 10.1371/journal.pone.0199739

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The incidence of high myopia is increasing worldwide with myopic maculopathy, a complication of myopia, often progressing to blindness. Our two-stage genome-wide association study of myopic maculopathy identifies a susceptibility locus at rs11873439 in an intron of CCDC102B (P = 1.77 × 10-12 and Pcorr = 1.61 × 10-10). In contrast, this SNP is not significantly associated with myopia itself. The association between rs11873439 and myopic maculopathy is further confirmed in 2317 highly myopic patients (P = 2.40 × 10-6 and Pcorr = 1.72 × 10-4). CCDC102B is strongly expressed in the retinal pigment epithelium and choroids, where atrophic changes initially occur in myopic maculopathy. The development of myopic maculopathy thus likely exhibits a unique background apart from the development of myopia itself; elucidation of the roles of CCDC102B in myopic maculopathy development may thus provide insights into preventive methods for blindness in patients with high myopia.

DOI： 10.1038/s41467-018-03649-3

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Public Library of Science (PLoS)  

DOI： 10.1371/journal.pone.0201729

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DOI： 10.2147/OPTH.S183689

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DOI： 10.1016/j.ajo.2017.07.011

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DOI： 10.1097/IJG.0000000000000768

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DOI： 10.1016/j.ophtha.2017.03.059

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DOI： 10.1038/s41598-017-05258-4

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Publishing type：Research paper (scientific journal)   Publisher：Association for Research in Vision and Ophthalmology (ARVO)  

DOI： 10.1167/iovs.16-20797

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DOI： 10.1016/j.ophtha.2017.01.004

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DOI： 10.1007/s10384-016-0482-9

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DOI： 10.1016/j.ajo.2016.08.021

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DOI： 10.1007/s10384-016-0468-7

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Elsevier Inc  

DOI： 10.1016/j.ajoc.2016.06.006

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DOI： 10.1016/j.ajo.2016.06.009

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Publishing type：Research paper (scientific journal)   Publisher：Association for Research in Vision and Ophthalmology (ARVO)  

DOI： 10.1167/iovs.15-18798

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DOI： 10.1097/IJG.0000000000000330

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1001/jamaophthalmol.2015.5765

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DOI： 10.1016/j.ophtha.2015.10.061

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DOI： 10.1001/jamaophthalmol.2015.3674

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DOI： 10.1007/s00417-015-3210-0

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DOI： 10.3109/13816810.2015.1020559

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DOI： 10.1167/iovs.15-16704

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DOI： 10.1007/s00417-015-3026-y

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Authorship：Lead author,　Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Dove Medical Press Ltd  

DOI： 10.2147/OPTH.S80444

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1371/journal.pone.0130175

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DOI： 10.1097/IAE.0000000000000282

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DOI： 10.1016/j.ajo.2014.08.040

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DOI： 10.1371/journal.pone.0115313

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DOI： 10.1371/journal.pone.0112403

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DOI： 10.1136/bjophthalmol-2013-304751

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DOI： 10.1097/IAE.0000000000000005

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DOI： 10.1097/IAE.0b013e3182a48732

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DOI： 10.1007/s10384-013-0298-9

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PURPOSE: To characterize preperimetric retinal nerve fiber layer (RNFL) defects on speckle noise-reduced spectral-domain optical coherence tomography (SD-OCT), and to determine whether detection of preperimetric RNFL defects can be improved by speckle noise reduction. PATIENTS AND METHODS: Thirty-two eyes of 32 patients with preperimetric glaucoma and 30 normal eyes of 30 volunteers underwent complete ophthalmic examinations and scanning by speckle noise-reduced SD-OCT (Spectralis), single-scan SD-OCT (RTVue-100), and single-scan time-domain (Stratus) OCT. RESULTS: All 40 RNFL defects identified by photography had angular widths <30 degrees and no disruption of RNFL reflectivity on Spectralis. Circumpapillary RNFL (cpRNFL) boundaries were accurately determined by Spectralis for 38 (95.0%) of the 40 defects, by RTVue-100 for 25 (62.5%), and by Stratus OCT for 23 (57.5%). Sensitivity for the detection of RNFL defects (cpRNFL thinning to <1% of normal for an age-matched database) was 15% for Stratus, 42.5% for RTVue, and 47.5% for Spectralis on sector maps and significantly higher for SD-OCT on temporal-superior-nasal-inferior-temporal (TSNIT) thickness graphs: RTVue-100 (57.5%; P=0.031) and Spectralis (90.0%; P=0.0001). On the basis of TSNIT thickness graphs, sensitivity for the detection of RNFL defects was significantly higher for Spectralis compared with RTVue-100 (P=0.001) and Stratus (P=0.0005). Spectralis TSNIT graphs were more sensitive (P=0.001) for glaucoma detection without significant reduction (P=0.125) in specificity compared with Spectralis sector maps. CONCLUSIONS: Our results suggest that accurate measurement of cpRNFL thickness by speckle noise-reduced SD-OCT and a comparison of the results with normative database using TSNIT graphs are required to improve the sensitivity for detecting preperimetric RNFL defects.

DOI： 10.1097/IJG.0b013e3182707456

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)  

DOI： 10.1167/iovs.13-11897

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Authorship：Corresponding author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Dove Medical Press  

DOI： 10.2147/OPTH.S60704

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DOI： 10.1016/j.ajo.2013.06.029

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Language：Japanese   Publisher：(公財)日本眼科学会  

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Language：Japanese   Publisher：(公財)日本眼科学会  

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Language：Japanese   Publisher：金原出版(株)  

CiNii Article

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Other Link： http://search.jamas.or.jp/link/ui/2014075395

Language：Japanese   Publisher：日本緑内障学会  

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Other Link： https://search-tp.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2013&ichushi_jid=J03295&link_issn=&doc_id=20130226160007&doc_link_id=issn%3D1344-8293%26volume%3D15%26issue%3D3%26spage%3D240&url=http%3A%2F%2Fwww.pieronline.jp%2Fopenurl%3Fissn%3D1344-8293%26volume%3D15%26issue%3D3%26spage%3D240&type=PierOnline&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00005_2.gif

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DOI： 10.1016/j.ophtha.2011.10.030

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Web of Science

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