Retinopathy means disease of the retina, the nerve layer at the back of your eye. Diabetic retinopathy is related to prolonged high blood sugar, which damages blood vessels in the eyes. It can lead to poor vision or blindness.
Diabetic retinopathy usually gets worse over many years. People who have diabetes need regular eye exams so that this condition can be found early. Keeping your blood sugar and blood pressure under control can help protect your vision.
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