Retinopathy is an eye disease of the retina where the blood vessels that supply blood to the retina become damaged and occluded. When the small arteries and veins are working correctly, they provide a continuous blood supply to the retina.

Sometimes the retina does not receive the nutrition and oxygen it needs, usually due to chronically elevated glucose or atherosclerosis.

The body then tries to compensate by replacing the circulatory system in the retina with new capillaries (veins) and arter...

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