Case 6-11 continued
The patient had a his tor v of a moderate vitreous hemorrhage in his left eye consistent with a diagnosis of proliferative diabetic retinopathy in this eye. The visual acuity in this eye was counting fingers at five feet. Diffuse macular edema was noted on slit-lamp examination (D), which also showed retinal hemorrhage involving the macula and cotton wool spots close to the superior and inferior arcades. Fluorescein angiography (E) showed some macular capillary dropout and diffuse hvperfluores-cence surrounding the optic disc and inferior arcade.
A series of radial OCT tomograms (F) was acquired through the fovea. The macula appeared diffusely thickened with large intra retinal areas of no optical backscat-tering corresponding to macular cysts. The retinal thickness measured directly in the fovea was 510 j.im.
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