![]() If you are over age 50, an exam every year is a good idea so the eye physician can look for signs of diabetes or diabetic retinopathy before any vision loss has occurred. Regular dilated eye exams by an ophthalmologist are important, especially for those who are at a higher risk for diabetic retinopathy or diabetes. New blood vessels or scar tissue on the surface of the retina (proliferative diabetic retinopathy).Abnormal blood vessels that may predict an increased risk of developing new blood vessels.Evidence of poor retina blood vessel circulation (retinal ischemia- pronounced iss KEY me uh).Swelling in the retina that threatens vision (diabetic macular edema).Olivia Rainey, Retina Specialists of Michigan. OCT of a patient with bilateral proliferative diabetic retinopathy with diabetic macular edema in the left eye. New vessels may bleed into the middle of the eye, cause scar tissue formation, pull on the retina, cause retinal detachment, or may cause high pressure and pain if the blood vessels grow on the iris, clogging the drainage system of the eye-all of this can cause vision loss.įigure 1. This stage of the disease is known as proliferative diabetic retinopathy (PDR). Prolonged damage to the small blood vessels in the retina results in poor circulation to the retina and macula prompting the development of growth factors that cause new abnormal blood vessels ( neovascularization) and scar tissue to grow on the surface of the retina. When damaged blood vessels leak fluid into the retina it results in a condition known as diabetic macular edema which causes swelling in the center part of the eye ( macula) that provides the sharp vision needed for reading and recognizing faces. Elevated sugar levels from diabetes can damage the small blood vessels that nourish the retina and may, in some cases, block them completely. The primary cause of diabetic retinopathy is diabetes-a condition in which the levels of glucose (sugar) in the blood are too high. The appearance of spots- commonly called “floaters”- in your vision.Symptoms of diabetic retinopathy may occur in one or both eyes. It is possible to have diabetic retinopathy for a long time without noticing symptoms until substantial damage has occurred. Video: Vision Treatment Breakthrough: People With Diabetic Eye Disease Have a New Option That Could Preserve or Improve Their Vision Printable Fact Sheet DOWNLOAD LARGE PRINT VERSION Spanish Translation Diabetic retinopathy develops in more than half of the people who develop diabetes. ![]() ![]() As many people with type 1 diabetes suffer blindness as those with the more common type 2 disease. Diabetic retinopathy (pronounced ret in OP uh thee) is a complication of diabetes that causes damage to the blood vessels of the retina- the light-sensitive tissue that lines the back part of the eye, allowing you to see fine detail.ĭiabetic retinopathy is the most common cause of irreversible blindness in working-age Americans. ![]()
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