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Description: Diabetic Retinopathy, Video Illustration. Diabetic eye disease refers to a group of eye problems that can occur as a result of diabetes. Without diagnosis and treatment, diabetic eye disease can cause severe vision loss or even blindness. Diabetic retinopathy is the most common diabetic eye disease and is a leading cause of blindness in persons with diabetes. It is caused by changes in the blood vessels of the retina. The retina is the light-sensitive tissue at the back of the eye. A healthy retina is necessary for good vision. In some people with diabetic retinopathy, blood vessels of the retina may swell and leak fluid or blood. In other people with diabetes, abnormal new blood vessels grow on the surface of the retina. At first, diabetic retinopathy may not cause any changes in vision. But over time, diabetic retinopathy can get worse. At first, a person might see spots floating in their vision or may notice a general blurring of vision. Eventually, diabetic retinopathy may cause vision loss and even blindness. Credit: National Eye Institute, National Institutes of Health View Animation (Quicktime) Ref#: VA07 |
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