Diabetic retinopathy, the most common diabetic eye disease, occurs when blood vessels in the retina change. Often there are no symptoms in the early stages of the disease, nor is there any pain. The retina contains many blood vessels. Some... read more » Cluster of diseases with difficult diagnosis issues: There is a well-known list of medical conditions that are all somewhat difficult to diagnose, and all can present in a variety of different severities.... read more » Alzheimer's disease over-diagnosed: The well-known disease of Alzheimer's disease is often over-diagnosed. Fig. 1 A photograph of a normal retina Fig. 2 Photograph of a retina showing proliferative retinopathy – v growth of new unnatural blood vessels, h retinal haemorrhage. Patients taking chloroquine for lupus, rheumatoid arthritis, or other disorders may notice a decrease in vision. A procedure called cryotherapy uses cold to destroy abnormal blood vessels. In addition, tests such as a fluoresce in angiogram and ocular coherence tomography OCR can be conducted. Using anti-VEGF drugs antibodies to sequester the growth factor, researches have shown significant reduction in the extent of vessel outgrowth.
In people with diabetes, retinopathy can get worse after removal of the lens, and glaucoma may start to develop. Proliferative Retinopathy and Vitreous haemorrhage Proliferative retinopathy refers to the changes that occur when new, abnormal blood vessels begin to grow on the surface of your retina. Proliferative diabetic retinopathy PDP.