Article
Medicine, General & Internal
Hui Xiao, Yimin Zhong, Yunlan Ling, Xiaoyu Xu, Xing Liu
Summary: This study investigated the differences in longitudinal changes in the peripapillary retinal nerve fiber layer and macular ganglion cell plus inner plexiform layer caused by progressive myopia and glaucoma among adolescents. The results showed that the patterns of loss were different between the two groups, and certain indicators could help distinguish between glaucoma and myopia.
FRONTIERS IN MEDICINE
(2022)
Article
Ophthalmology
Mona Safizadeh, Amirreza Shaabani, Alireza Kamalipour, Masoud Aghsaei Fard, Kaileen Yeh, Mehdi Yaseri, Nikoo Hamzeh, Nassim Khatibi, Harsha Laxmana Rao, Robert Weinreb, Sasan Moghimi
Summary: OCTA can be used to detect reduced capillary density in fellow eyes of PXG patients, enabling earlier detection of glaucomatous loss in pseudoexfoliation disease and enhancing disease management.
BRITISH JOURNAL OF OPHTHALMOLOGY
(2022)
Article
Multidisciplinary Sciences
Kazunobu Sugihara, Yasuyuki Takai, Ryo Kawasaki, Koji Nitta, Maki Katai, Yasushi Kitaoka, Yu Yokoyama, Kazuko Omodaka, Tomoko Naito, Takehiro Yamashita, Shiro Mizoue, Aiko Iwase, Toru Nakazawa, Masaki Tanito
Summary: The Glaucoma Stereo Analysis Study (GSAS) evaluated retinal vessel calibers and correlations with optic nerve head (ONH) morphologic parameters in different types of optic disc appearances, showing varying effects of vascular changes on glaucomatous changes in the ONH.
Article
Multidisciplinary Sciences
Alberto Dominguez-Vicent, Maria Nilsson, Rune Brautaset, Abinaya Priya Venkataraman
Summary: This study evaluated the similarities between horizontal and vertical Optical Coherence Tomography (OCT) scans in measuring individual retinal layer thickness. The results showed that the differences in thickness measurements between the two scans were smaller than the instrument's resolution in all groups. The differences in measurements varied among different layers and sectors, suggesting the importance of consistent scan direction in follow-up OCT measurements and clinical studies.
SCIENTIFIC REPORTS
(2022)
Article
Ophthalmology
Vandhana Sundaram, Sujithra Haridas, Meenakshi Dhar, C. P. Harikrishnan
Summary: Using spectral domain optical coherence tomography, this study compared the retinal nerve fiber layer (RNFL), ganglion cell layer (GCL), and optic nerve head (ONH) morphological parameters between obstructive sleep apnea (OSA) patients and age-matched controls. Results showed significant thinning of RNFL and GCL, as well as decrease in ONH rim area in OSA patients, indicating a high-risk population for ocular co-morbidities.
INDIAN JOURNAL OF OPHTHALMOLOGY
(2022)
Article
Multidisciplinary Sciences
Mahmoud Fathy, Alia Noureldine, Hala M. Elmofty, Doaa Ahmad Tolba
Summary: This study investigates the impact of menopause and subsequent estrogen drop on optic nerve head structure and peripapillary vasculature. The results showed that postmenopausal women had significantly lower retinal nerve fiber layer thickness (RNFLT) and peripapillary vessel density (VD), and these measures were negatively correlated with age, hormonal drop, and intraocular pressure (IOP). The correlation between IOP and VD was stronger than its correlation with RNFLT. These findings suggest a link between hormonal changes after menopause and glaucoma in women, and highlight the potential of optical coherence tomography angiography (OCTA) in detecting early optic nerve damage.
SCIENTIFIC REPORTS
(2022)
Article
Biochemical Research Methods
Hadi Afsharan, Michael J. Hackmann, Qiang Wang, Farzaneh Navaeipour, Stephy Vijaya Kumar Jayasree, Robert J. Zawadzki, Dilusha Silva, Chulmin Joo, Barry Cense
Summary: A new method based on PS-OCT was introduced to determine the polarization properties of human retinal vessel walls, with higher DPPR/UD values in artery walls compared to surrounding retinal nerve fiber layer tissue, suggesting no coverage by retinal nerve fiber layer tissue near the optic nerve.
BIOMEDICAL OPTICS EXPRESS
(2021)
Article
Medicine, General & Internal
Yali Wu, Qing Cun, Yijin Tao, Wenyan Yang, Jia Wei, Daoqing Fan, Ying Zhang, Qin Chen, Hua Zhong
Summary: The study showed that estimated retinal ganglion cells play a significant role in the diagnosis and staging of glaucoma, with the estimates gradually decreasing as glaucoma progresses.
FRONTIERS IN MEDICINE
(2021)
Article
Ophthalmology
Anastasia Pilat, Frank A. Proudlock, Periyasamy Kumar, Irene Gottlob
Summary: Significant thinning of optic nerve and macula structures occurred after approximately 12 months in patients with ONHD. The proximity of optic nerve changes to the vascular arcades may be related to the involvement of retinal vessels in the pathophysiology of ONHD.
Article
Medicine, General & Internal
Jens Julian Storp, Nils Hendrik Storp, Moritz Fabian Danzer, Nicole Eter, Julia Biermann
Summary: This study investigates the correlation between Bruch's membrane opening area (BMOA), retinal nerve fiber layer (RNFL) thickness and macular ganglion cell layer thickness (mGCLT) to determine if optic nerve ganglion cell amount is dependent on optic disc size. The results show no significant correlation between BMOA and RNFL thickness, nor between BMOA and mGCLT. However, groupwise analysis reveals decreased global RNFL in small and large discs compared to medium discs, while global mGCLT is not affected. This study provides extended normative data for mGCLT considering optic disc size and suggests that mGCLT is superior to global RNFL in indicating optic nerve integrity in very small and very large optic discs.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Clinical Neurology
Henrik Ehrhardt, Jeffrey Lambe, Hussein Moussa, Eleni S. Vasileiou, Grigorios Kalaitzidis, Olwen C. Murphy, Angeliki G. Filippatou, Nicole Pellegrini, Morgan Douglas, Simidele Davis, Natalia Nagy, Agustina Quiroga, Chen Hu, Alexandra Zambriczki Lee, Anna Duval, Kathryn C. Fitzgerald, Jerry L. Prince, Peter A. Calabresi, Elias S. Sotirchos, Robert Bermel, Shiv Saidha
Summary: In this post hoc analysis of the SPRINT-MS trial, it was found that ibudilast therapy can slow down GCIPL atrophy in PMS, particularly in the PPMS cohort. The rates of GCIPL, INL, and ONL atrophy were correlated with whole brain atrophy rates.
Article
Ophthalmology
Alessandro Rabiolo, Federico Fantaguzzi, Giovanni Montesano, Maria Brambati, Riccardo Sacconi, Francesco Gelormini, Giacinto Triolo, Paolo Bettin, Giuseppe Querques, Francesco Bandello
Summary: This study compared the measurements of pRNFL and mGCIPL thickness obtained with SD-OCT and SS-OCT, and assessed their ability to distinguish among glaucoma patients, glaucoma suspects, and healthy controls. The results showed that both SD-OCT and SS-OCT detected thinning in pRNFL and mGCIPL in glaucoma patients compared to healthy controls and glaucoma suspects. The two devices demonstrated similar diagnostic abilities, and conversion formulas could be used to remove the proportional bias.
TRANSLATIONAL VISION SCIENCE & TECHNOLOGY
(2022)
Article
Ophthalmology
Jack Quach, Glen P. Sharpe, Shaban Demirel, Christopher A. Girkin, Christian Y. Mardin, Alexander F. Scheuerle, Claude F. Burgoyne, Balwantray C. Chauhan, Jayme R. Vianna
Summary: The purpose of this study was to determine if there is asymmetry in retinal blood vessel (RBV) position and thickness between right and left eyes (R-L) and evaluate whether R-L asymmetry in RBV thickness is related to R-L asymmetry of retinal nerve fiber layer thickness (RNFLT). The results showed little R-L asymmetry in RBV, and it is not related to RNFLT asymmetry, suggesting that the asymmetry in RNFLT is due to factors other than RBV.
INVESTIGATIVE OPHTHALMOLOGY & VISUAL SCIENCE
(2023)
Article
Ophthalmology
Clarice Kai-Ying Su, Philip Yawen Guo, Poemen Pui Man Chan, Alexander Ka-Ngai Lam, Christopher Kai Shun Leung
Summary: The purpose of this study was to investigate the prevalence, patterns, and risk factors of retinal nerve fiber layer (RNFL) defects in patients with ocular hypertension (OHT). The study found that a considerable proportion of OHT patients exhibited RNFL defects, which may represent an early sign of glaucoma. Age, visual field pattern standard deviation, cup volume, and the OHTS-EPGS risk score were associated with RNFL defects.
Article
Ophthalmology
Yumi Lee, Kyung-Ah Park, Sei Yeul Oh
Summary: The study found that in patients with NAION, the peripapillary retinal nerve fiber layer and macular outer nuclear layer were thicker within 2 months of onset compared to controls. However, within 2-5 months, there was thinning in the peripapillary retinal nerve fiber layer, macular retinal nerve fiber layer, and ganglion cell layer and inner plexiform layer, which was associated with final visual field outcomes.
Article
Ophthalmology
Takashi Nishida, Won Hyuk Oh, Sasan Moghimi, Adeleh Yarmohammadi, Huiyuan Hou, Ryan Caezar C. David, Alireza Kamalipour, Takuhei Shoji, Nevin El-Nimri, Jasmin Rezapour, Linda M. Zangwill, Robert N. Weinreb
Summary: This study investigated the relationship between foveal avascular zone (FAZ) parameters assessed by optical coherence tomography angiography (OCTA) and central visual field parameters in glaucoma and healthy subjects. The results showed that foveal vessel density (FD300) was correlated with central visual field parameters, while a smaller FAZ area was associated with lower intraocular pressure (IOP).
BRITISH JOURNAL OF OPHTHALMOLOGY
(2023)
Article
Ophthalmology
Nevin W. El-Nimri, Sasan Moghimi, Rafaella C. Penteado, Elham Ghahari, Diya Yang, Nicole Brye, James Proudfoot, Jiun L. Do, Andrew Camp, Matthew Salcedo, Veronica Rubio, Robert N. Weinreb
Summary: The study aimed to compare the differences in retinal vessel density between topical administration of latanoprostene bunod and timolol maleate in patients with open-angle glaucoma or ocular hypertension and normal subjects. The results showed that latanoprostene bunod increased macular vessel density, while timolol maleate had no effect.
AMERICAN JOURNAL OF OPHTHALMOLOGY
(2022)
Article
Ophthalmology
Jasmin Rezapour, James A. Proudfoot, Christopher Bowd, Jade Dohleman, Mark Christopher, Akram Belghith, Suzanne M. Vega, Keri Dirkes, Min Hee Suh, Jost B. Jonas, Leslie Hyman, Massimo A. Fazio, Ruti Sella, Natalie A. Afshari, Robert N. Weinreb, Linda M. Zangwill
Summary: The purpose of this study was to determine the predictors of Bruch membrane opening (BMO) location accuracy and visibility in glaucoma and healthy individuals. The study found that axial high myopia, larger axial length, larger BMO tilt angle, lower BMO ovality index, and glaucoma diagnosis were significant predictors of BMO location inaccuracy.
AMERICAN JOURNAL OF OPHTHALMOLOGY
(2022)
Article
Ophthalmology
Christopher Bowd, Akram Belghith, Linda M. Zangwill, Mark Christopher, Michael H. Goldbaum, Rui Fan, Jasmin Rezapour, Sasan Moghimi, Alireza Kamalipour, Huiyuan Hou, Robert N. Weinreb
Summary: Deep learning analysis of en face vessel density images using convolutional neural networks improves classification of healthy and glaucomatous eyes compared to feature-based gradient boosting classifier models.
AMERICAN JOURNAL OF OPHTHALMOLOGY
(2022)
Article
Ophthalmology
Yuro Igawa, Takuhei Shoji, Robert Weinreb, Yozo Miyake, Yuji Yoshikawa, Shunichiro Takano, Kei Shinoda
Summary: This study aimed to evaluate the electroretinographic (ERG) changes in the early postoperative period following glaucoma filtration surgery and its relationship with choroidal detachment (CD). The results showed that the PhNR amplitude increased with intraocular pressure (IOP) lowering after surgery in the absence of CD. However, the presence of CD significantly deteriorated the amplitude of PhNR, a-wave, and b-wave. These findings suggest that CD may affect the improvement of retinal ganglion cell function after glaucoma surgery.
BRITISH JOURNAL OF OPHTHALMOLOGY
(2023)
Article
Medicine, General & Internal
Kei Shinoda, Soiti C. Matsumoto, Kazuma Yagura, Gaku Terauchi, Takuhei Shoji, Yuji Yoshikawa, Yuro Igawa, Atsushi Mizota, Yozo Miyake
Summary: The temperature of the vitreous can vary during intraocular surgery, with different procedures causing different temperature changes. The distribution of intraocular temperature can affect the physiology of the retina and the recovery process.
JOURNAL OF CLINICAL MEDICINE
(2022)
Article
Medicine, General & Internal
Junji Kanno, Takuhei Shoji, Hirokazu Ishii, Hisashi Ibuki, Yuji Yoshikawa, Takanori Sasaki, Kei Shinoda
Summary: In this study, a dataset created by Kanno Saitama Macro (KSM) for deep learning was used to extract the foveal avascular zone (FAZ) from optical coherence tomography angiography (OCTA) images. The results showed that the dataset generated by KSM had good agreement with the manual method, indicating its potential in reducing the burden of annotation in deep learning.
JOURNAL OF CLINICAL MEDICINE
(2023)
Correction
Medicine, General & Internal
Takanori Sasaki, Takuhei Shoji, Junji Kanno, Hirokazu Ishii, Yuji Yoshikawa, Hisashi Ibuki, Kei Shinoda
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Medicine, General & Internal
Jun Makita, Yuji Yoshikawa, Junji Kanno, Yuro Igawa, Tomoyuki Kumagai, Shunichiro Takano, Takeshi Katsumoto, Takuhei Shoji, Masayuki Shibuya, Kei Shinoda
Summary: This study investigated the relationship between retinal morphology and function in patients with vitreoretinal lymphoma (VRL) using optical coherence tomography (OCT) and electroretinography (ERG). The results showed that 90.9% of the eyes had morphological abnormalities in OCT images, and 54.5% of the eyes had severe dysfunction in the outer retinal layer based on ERG analysis. These findings provide valuable insights for the clinical diagnosis and treatment of VRL.
JOURNAL OF CLINICAL MEDICINE
(2023)
Article
Ophthalmology
Mark Christopher, Pourya Hoseini, Evan Walker, James A. Proudfoot, Christopher Bowd, Massimo A. Fazio, Christopher A. Girkin, Carlos Gustavo De Moraes, Jeffrey M. Liebmann, Robert N. Weinreb, Armin Schwartzman, Linda M. Zangwill, Derek S. Welsbie
Summary: The study aims to investigate the effectiveness of a deep learning regression method in predicting the thickness of macula ganglion cell-inner plexiform layer (GCIPL) and optic nerve head (ONH) retinal nerve fiber layer (RNFL) for glaucoma neuroprotection clinical trials. The deep learning models accurately estimated the thickness of GCIPL and RNFL in the macula and ONH, which may help reduce clinical trial sample size requirements.
OPHTHALMOLOGY GLAUCOMA
(2023)
Article
Medicine, General & Internal
Yuki Komi, Takeshi Katsumoto, Yuji Yoshikawa, Masayuki Shibuya, Takuhei Shoji, Jun Makita, Kei Shinoda
Summary: Development and spontaneous closure of a macular hole (MH) in a vitrectomized eye is relatively rare. We report a case in which a MH developed 8 months after vitrectomy but subsequently closed and reopened. The MH was finally closed after a second vitrectomy.
INTERNATIONAL MEDICAL CASE REPORTS JOURNAL
(2023)
Article
Computer Science, Interdisciplinary Applications
Rui Fan, Christopher Bowd, Nicole Brye, Mark Christopher, Robert N. Weinreb, David J. Kriegman, Linda M. Zangwill
Summary: This article introduces a method for low-shot learning and semi-supervised learning for fundus images. By extending the Siamese network and introducing new training methods, the accuracy can be improved with limited labeled data, and additional unlabeled data can be used for training to achieve higher accuracy. Experimental results demonstrate the effectiveness and generalizability of this method in fundus image datasets under different conditions.
IEEE TRANSACTIONS ON MEDICAL IMAGING
(2023)
Meeting Abstract
Ophthalmology
Sotaro Mori, Masaki Tanito, Nobuyuki Shoji, Yu Yokoyama, Takanori Kameda, Takuhei Shoji, Shiro Mizoue, Yuta Saito, Kyoko Ishida, Toshihiko Ueda, Makoto Nakamura
Article
Ophthalmology
Mohammad Zhalechian, Mark P. Van Oyen, Mariel S. Lavieri, Carlos Gustavo De Moraes, Christopher A. Girkin, Massimo A. Fazio, Robert N. Weinreb, Christopher Bowd, Jeffrey M. Liebmann, Linda M. Zangwill, Christopher A. Andrews, Joshua D. Stein
Summary: The study aims to assess the predictive accuracy of machine learning algorithms using Kalman filtering for forecasting future values of global indices on perimetry, showing that adding global RNFL data minimally enhances predictive accuracy, and model performance is influenced by the racial composition of the training and testing sets.
OPHTHALMOLOGY SCIENCE
(2022)
Article
Ophthalmology
Takuhei Shoji, Junji Kanno, Robert N. Weinreb, Yuji Yoshikawa, Izumi Mine, Hirokazu Ishii, Hisashi Ibuki, Kei Shinoda
Summary: The study evaluated quantitative changes in the foveal avascular zone (FAZ) area after glaucoma surgery, revealing a significant decrease in FAZ area with IOP-lowering surgery in patients with POAG. The change in FAZ area was significantly correlated with both preoperative foveal sensitivity and change in IOP.
BRITISH JOURNAL OF OPHTHALMOLOGY
(2022)