A 63-year-old woman was evaluated for proliferative diabetic retinopathy in her left eye. On examination, her visual acuity in this eye was 20/60, Dilated ophthalmoscopy (A) revealed neovascularization of the optic disc and traction retinal detachments superotempo-rally and nasally-
An OCT tomogram (B) was obtained through fixation to assess the whether the traction detachment extended under the fovea. The image showed a large detachment of the neurosensory retina superior to the to veal depression; however, the fovea itself appeared intact. No significant macular thickening was observed.
A separate tomogram (C; scan not shown on A) acquired nasal to the optic disc showed a focal, tractional retinal detachment. Abnormally strong backscatter was observed from a detached posterior hyaloid consistent with epiretinal membrane proliferation along the posterior vitreous face. Membrane strands were observed extending between the posterior hyaloid and the retinal surface. Weak optical backscatter anterior to the retina was noted inferiorly in the image suggesting early fibroblast proliferation.
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