March 8, 2026Published by Dr. Manolette Roque at March 8, 2026OCT Angiography for Diabetic Retinopathy: What Patients Should KnowOCT angiography is a non-invasive retinal scan that maps blood flow without dye. Learn what it shows in diabetic retinopathy, when doctors use it, and how it compares with OCT and fluorescein angiography.