Case 6-8, Non-Proliferative Diabetic Retinopathy
This patient was a 65-year-old woman with background diabetic retinopathy in both eyes. I he visual acuity in the right eye was 2 /2(X Slit-lamp biomicroscopy of this eye (A) showed dot and blot hemorrhages scattered throughout the posterior pole, retinal exudate along the inferotemporal arcade, and clinically significant macular thickening and cysts. Fluorescein angiography (B) displayed punctate hvperfluorescence with late leakage along the superotemporal arcade consistent with microaneurysms.
A series of radial OCT scans (C) was acquired through the macula at equally spaced angular orientations. The images showed a large cyst directly in the fovea and diffuse macular thickening which was most significant in the superotemporal macula. Focai areas of high intra retinal optical reflectivity were observed consistent with hard exudate, The retinal thickness measured directly in the fovea was 550 pi.
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