af Diagnostic Atlas Booklet
Age-Related Macular Degeneration
Geographic Atrophy (GA) is associated with dry AMD and is any sharply delineated round area of hypopigmentation or apparent absence of the retinal pigment epithelium (RPE) on color images. Choroidal vessels are more visible than in surrounding areas and must be at least 175 μm in diameter. opto map af shows hyperautofluorescence around the geographic atrophy that indicates progression of disease.
Area of hyperautofluorescence around GA
af Diagnostic Atlas A Retinal Reference Guide
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