Diabetic retinopathy: causes, prevention and treatment By M Tyler , Sep 30, 2014 Diabetic retinopathy is the leading cause of blindness in American adults and the most common ocular disease associated with diabetes, according to the National Eye Institute. The frightening thing about diabetic retinopathy is that there aren't always symptoms or noticeable changes in vision. However, the condition can get progressively worse over time and cause irreversible damage to one or both eyes. Causes Changes in blood sugar, blood pressure and blood cholesterol due to diabetes can cause retinopathy. Fragile blood vessels can develop leaks, which can blur vision and cause swelling in the eye. With the progression of the disease, blood vessels that provide nourishment to the retina are blocked. The blurred vision and swelling can eventually causes total blindness, if left untreated. Both individuals with type 1 and type 2 diabetes are at risk for diabetic retinopathy. ...
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