7.1 Color Fundus Photography
Summary
Fluorescein angiography (FA) is an imaging technique in which a fluorescent dye is used to highlight features of the retinal vasculature. A series of black-and-white fundus photographs, taken as sodium fluorescein dye fills the retinal vessels, helps to document vascular leakage and other abnormalities. DME is the clinical feature most closely associated with vision loss in diabetic retinopathy, and degree of fluorescein leakage on FA is strongly correlated with visual acuity in DME.
Quiz Module 7.1
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1. Which of the following is NOT true of fluorescein angiography (FA)?
2. The purpose of FA is to identify