A 62-year-old man with a history of proliferative diabetic retinopathy and panretinal laser photocoagulation in both eyes was examined. The right eye had a visual acuity of 20/60 with diffuse clinically significant macular edema and panretinal laser scars (A), : fluorescein angiography (B) revealed hypofluorescence consistent with retinal hemorrhage, a slightly enlarged foveal avascular zone, and minimal late leakage.
Sequential horizontal OCT scans (C) delineated diffuse retinal thickening and reduced optical reflectivity consistent with intra retinal fluid accumulation. The foveal thickness was 320 um. Retinal exudate was identified by small focal areas of high backscattering. The retina appeared atrophic superotemporally (scan F) consistent with the panretinal photocoagulation. The minimum retinal thickness in this region was 140 jjitl
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