Diabetic Retinopathy Donate Fundraise The leading cause of blindness in the working population is diabetes. With some diabetics, changes can occur to the blood vessels which line the surface of the retina. This condition can lead to the loss of central vision. Researchers are investigating new ways of arresting this disease using drugs, which currently have to be injected into the eye, or lasers. Diabetic retinopathy is a common complication of diabetes. It occurs when high blood sugar levels damage the cells at the back of the eye, known as the retina. If it is not treated, it can lead to blindness. Therefore, it is important for people with diabetes to keep their blood sugar levels under control. Everyone with diabetes who is 12 years old or over should have their eyes examined once a year for signs of damage. Please support our appeal to find new and more effective treatments for diabetic retinopathy.