They cause a general blurring of vision. They are most common over age 60, but can occur at any age. Cataract Eye Diabetic Retinopathy Diabetic retinopathy is a disease of the retina which occurs in people with diabetes. New blood vessels grow in the retina and these blood vessels tend to be leaky. If left untreated, the patient can be rendered blind.
Early treatment is crucial and thus an annual eye examination is essential.