http://ideas.eyeconx.net/story.php?title=-what-is-diabetic-retinopathy Diabetic retinopathy, the most common diabetic eye disease, occurs when blood vessels in the retina change. Sometimes these vessels swell and leak fluid or even close off completely. In other cases, abnormal new blood vessels grow on the surface of the retina. Diabetic retinopathy usually affects both eyes. People who have diabetic retinopathy often don't notice changes in their vision in the dise... Tue, 15 Nov 2011 18:04:55 EST en