Retinopathy in diabetes involves damage to what structure?

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Multiple Choice

Retinopathy in diabetes involves damage to what structure?

Explanation:
Diabetic retinopathy is damage to the retinal blood vessels caused by long-standing high blood glucose. Chronic hyperglycemia injures the tiny vessels in the retina, leading to pericyte loss, thickened capillary walls, and leakage. This produces microaneurysms, hemorrhages, and edema, and can progress to new, fragile vessels that threaten vision. The optic nerve, lens, and cornea aren’t the primary structures affected in retinopathy—the retina’s vasculature is the key target.

Diabetic retinopathy is damage to the retinal blood vessels caused by long-standing high blood glucose. Chronic hyperglycemia injures the tiny vessels in the retina, leading to pericyte loss, thickened capillary walls, and leakage. This produces microaneurysms, hemorrhages, and edema, and can progress to new, fragile vessels that threaten vision. The optic nerve, lens, and cornea aren’t the primary structures affected in retinopathy—the retina’s vasculature is the key target.

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