Results 11 to 20 of about 86,297 (272)

Ocular sequelae in severe COVID-19 recovered patients of second wave

Indian Journal of Ophthalmology, 2022
Purpose: To evaluate the retinal microvascular changes in patients, recovered from severe COVID-19 during the second wave of the pandemic in North India.
Taw Dipu, Ruchi Goel, Ritu Arora, Meenakshi Thakar, Akanksha Gautam, Shalin Shah, Yashi Gupta, Mohit Chhabra, Sumit Kumar, Kirti Singh, Suresh Kumar, Sandeep Garg, Harpreet Singh, Rashmi Pant   +13 more
doaj   +1 more source

Changes in Peripapillary Microvasculature and Retinal Thickness in the Fellow Eyes of Patients with Unilateral Retinal Vein Occlusion: An OCTA Study

Benha Medical Journal, 2023
Background: Retinal Vein Occlusion (RVO) is the second most common retinal vascular disease following diabetic retinopathy and is a frequent cause of significant visual loss and associated morbidity.
Tarek Soliman, soha Tohamy, Ibrahim El saadani, Ahmed Shahin   +3 more
semanticscholar   +1 more source

The role of the retinal vasculature in age-related macular degeneration: a spotlight on OCTA

Eye, 2023
Age-related macular degeneration (AMD) remains a disease with high morbidity and an incompletely understood pathophysiological mechanism. The ocular blood supply has been implicated in the development of the disease process, of which most research has ...
Thomas R. P. Taylor, M. Menten, Daniel Rueckert, S. Sivaprasad, A. Lotery   +4 more
semanticscholar   +1 more source

Diagnostic ability of superficial vascular density measured by optical coherence tomography angiography to differentiate high myopic eyes from eyes with primary open angle glaucoma

Indian Journal of Ophthalmology, 2022
Purpose: To determine if high myopia and glaucoma can be differentiated based on the measurement of superficial vascular density in the peripapillary and macular areas by using Optical Coherence Tomography Angiography (OCTA).
Liz Mary Santhosh, Anna Elias, Manju Anup, Abhilash Nair, Giridhar Anantharaman, Nimmi Prakash   +5 more
doaj   +1 more source

OCTA-500: A retinal dataset for optical coherence tomography angiography study [PDF]

Medical Image Anal., 2020
Optical coherence tomography angiography (OCTA) is a novel imaging modality that has been widely utilized in ophthalmology and neuroscience studies to observe retinal vessels and microvascular systems.
Mingchao Li, Kun Huang, Qiuzhuo Xu, Jiadong Yang, Yuhan Zhang, Zexuan Ji, Keren Xie, Songtao Yuan, Qinghuai Liu, Qiang Chen   +9 more
semanticscholar   +1 more source

Optimizing the OCTA layer fusion option for deep learning classification of diabetic retinopathy.

Biomedical Optics Express, 2023
The purpose of this study is to evaluate layer fusion options for deep learning classification of optical coherence tomography (OCT) angiography (OCTA) images.
B. Ebrahimi, David Le, Mansour Abtahi, Albert K. Dadzie, Jennifer I. Lim, R. Chan, Xincheng Yao   +6 more
semanticscholar   +1 more source

Deep-OCTA: Ensemble Deep Learning Approaches for Diabetic Retinopathy Analysis on OCTA Images [PDF]

MIDOG/DRAC@MICCAI, 2022
The ultra-wide optical coherence tomography angiography (OCTA) has become an important imaging modality in diabetic retinopathy (DR) diagnosis. However, there are few researches focusing on automatic DR analysis using ultra-wide OCTA.
Junlin Hou, Fan Xiao, Jilan Xu, Yuejie Zhang, Haidong Zou, Rui Feng   +5 more
semanticscholar   +1 more source

Choroidal lesions in varicella zoster virus uveitis

Indian Journal of Ophthalmology, 2023
Purpose: To evaluate choroidal lesions with spectral domain optical coherence tomography (SD-OCT) scan in varicella zoster virus (VZV) uveitis. Methods: VZV-uveitis cases which underwent OCT scan for choroidal lesions were studied.
Ankush Kawali, Aayesha Khanum, Padmamalini Mahendradas, Srinivasan Sanjay, Sai-Bhakti Mishra, Rohit Shetty   +5 more
doaj   +1 more source

Visualization and quantization of 3D retinal vessels in OCTA images.

Optics Express, 2023
Optical coherence tomography angiography (OCTA) has been increasingly used in the analysis of ophthalmic diseases in recent years. Automatic vessel segmentation in 2D OCTA projection images is commonly used in clinical practice.
Mingchao Li, Kun Huang, Chaofan Zeng, Qiang Chen, Weiwei Zhang   +4 more
semanticscholar   +1 more source

Change In Vessel and Perfusion Densities with Varying Signal Strengths on Optical Coherence Tomography Angiography

Delhi Journal of Ophthalmology, 2022
Purpose: To evaluate change in vessel and perfusion densities with varying signal strengths on optical coherence tomography angiography (OCTA). Materials and Method: Quadrant wise vessel densities and perfusion densities in superficial capillary plexus ...
Saurabh Verma, Rohan Chawla, Amar Pujari
doaj   +1 more source