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Case 6-11. Non-Proliferative and Proliferative Diabetic Retinopathy

Clinical Summary

This patient was a 73-year-old man with diabetic retinopathy who had previously received multiple laser treatments in both eyes. Examination of the right eye (A), with a visual acuity of 20/60, revealed a normal optic disc, multiple cotton wool spots, and moderate to severe nonproliferative diabetic retinopathy. No significant macular thickening was observed. Some macular capillary non-perfusion was identified on fluorescein angiography (B), which also demonstrated an absence of late leakage.

Optical Coherence Tomography

Radial OCT sections (C) through the macula showed no fovea I edema and the measured central macular thickness was 150 pm. The reflection from the retinal pigment epithelium and choriocapillaris appeared slightly disrupted in areas of previous focal laser photocoagulation treatment.

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