What finding defines proliferative diabetic retinopathy?

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Multiple Choice

What finding defines proliferative diabetic retinopathy?

Explanation:
The defining finding of proliferative diabetic retinopathy is neovascularization—the growth of new blood vessels on the retina or optic disc in response to retinal ischemia. These fragile vessels can bleed into the vitreous and form fibrous membranes that pull on the retina, risking vitreous hemorrhage and tractional detachment. Other signs like cotton-wool spots, hard exudates, or macular edema can occur at various stages and aren’t specific to the proliferative phase, whereas the appearance of new vessels marks the transition to proliferative disease.

The defining finding of proliferative diabetic retinopathy is neovascularization—the growth of new blood vessels on the retina or optic disc in response to retinal ischemia. These fragile vessels can bleed into the vitreous and form fibrous membranes that pull on the retina, risking vitreous hemorrhage and tractional detachment. Other signs like cotton-wool spots, hard exudates, or macular edema can occur at various stages and aren’t specific to the proliferative phase, whereas the appearance of new vessels marks the transition to proliferative disease.

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