Home > Diabetes > Preventing Eye Complications of Diabetes Get the Flash Player to see this player. Rate: (Click the stars to rate) Published on Jun 11, 2009 by JWilliams, Views: 3823 Preventing eye complications of diabetes: Diabetics are prone to cataracts and diabetic retinopathy, which can cause blindness. To prevent complications controlling blood sugar, blood pressure, and cholesterol will lower your risk. You should also avoid tobacco use, and you should exercise regularly. For symptoms such as blurry vision, eye pain, floaters, or change in vision, see a doctor.