A Comprehensive Review of Retinal Vascular and Optical Nerve Diseases Based on Optical Coherence Tomography Angiography

The optical coherence tomography angiography (OCTA) is a noninvasive imaging technology which aims at blood vessels in retina by studying decorrelation signals between multiple sequential OCT B-scans captured the same cross section. Obtaining various vascular plexuses including deep and superficial choriocapillaris, possible, helps understanding ischemic processes that affect different layers. OCTA safe modality does not use dye. also fast as it can capture high-resolution images just seconds. Additionally, used assessment of structure flow. provides anatomic details addition to flow data. These are important tissue perfusion, specifically, absence apparent morphological change. Using these anatomical along with perfusion data, could be predicting several ophthalmic diseases. In this paper, we review techniques their ability detect diagnose retinal nerve diseases, such diabetic retinopathy (DR), anterior optic neuropathy (AION), age-related macular degeneration (AMD), glaucoma, artery occlusion vein occlusion. Then, discuss main features disadvantages using method.