THE MERCK MANUAL: The Merck Manual of Diagnosis and Therapymultimedia

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  • Diabetic Retinopathy
  • Diabetic Retinopathy (Nonproliferative)

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    Diabetic Retinopathy (Nonproliferative)

    Funduscopic features of nonproliferative diabetic retinopathy include microaneurysms and hard exudates (top, toward the bottom on the image) and dot and blot hemorrhages with cotton-wool spots (bottom). Hard exudates are typically yellow. Cotton-wool spots are white and have indistinct borders.

    Images courtesy of Robert Machemer via the Online Journal of Ophthalmology (www.onjoph.com).

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