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OCT angiography a promising imaging modality for evaluation of microvasculopathy
OCT angiography, or OCT-A, was recently developed to provide three-dimensional noninvasive viewing of the retinal and choroidal vasculature and blood flow estimation at the microcirculation level. OCT-A is based on mapping erythrocyte movement over time by comparing sequential OCT B-scans at a given cross-section. OCT-A has now been explored to study different eye diseases including choroidal neovascularization, polypoidal choroidal vasculopathy, diabetic retinopathy, macular telangiectasia, glaucoma and retinal venous occlusion. This is an exciting era in evaluation of microvasculopathy.Fluorescein angiography (FA) and indocyanine green angiography (ICGA) are considered the gold standard (Read more...)