Many people do not have symptoms until late in the disease process, when it is difficult to treat the retinopathy. Symptoms may include the following: floaters, the sensation of a curtain falling across your vision, seeing unusual colors in your side vision, lowered visual acuity that glasses cannot correct, and the gradual development of blurred vision.
Family history is an important risk factor. Having a close relative with diabetic retinopathy puts you at a much greater risk of developing this condition. Ethnicity is also a risk factor. African Americans and Hispanics are more likely than Caucasians to develop diabetic retinopathy. Researchers are not sure if this is due to genetic factors or to poorer diabetic control among certain ethnic groups.
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