Ma cula r Degenera tion

Case 8-48. Idiopathic Choroidal Neovascularization

Clinical Summary

A 38-year-old man reported a five vear history of de-

creased vision in his right eye with a significant reduction in vision in this eye occuring during the last 12 months. Slit-lamp biomicroscopy (A) disclosed an area of pigment epithelial detachment inferonasal to the fovea within a larger area of serous retinal elevation which extended infero tempo rally. Mild sub retinal hemorrhage was also noted within the macula. Fluorescein angiography (B) revealed an area of hyperfluorescence inferonasal to the center which showed late leakage. A hvpo flu orescent border temporally was consistent with hemorrhage.

Optical Coherence Tomography

A horizontal OCT scan (C) through fixation demonstrated a region of increased retinal thickness and enhanced backscatter from the outer retina most likely corresponding to sub retinal neovascularization. The lesion was observed to encroach beneath the fovea (arrow) from the nasal retina. The reflection from the RPE and choriocapil-laris was clearly identifiable below the lesion and only appeared to be mildy disrupted.

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