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Diabetic eye disease, a complication of diabetes, can be treated before vision loss occurs. All people with diabetes need to get a dilated eye exam at least once a year. Diabetic Retinopathy, the most common diabetic eye disease, affects both eyes and 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 to the surface of the retina.

People who have Diabetic Retinopathy often do not notice changes in their vision in the early stages of the disease. But as it progresses, Diabetic Retinopathy usually causes vision loss that in many cases cannot be reversed.

Diabetic Retinopathy is the leading cause of blindness in Indian adults. Diabetic Retinopathy is caused by changes in the blood vessels of the retina which may result in vision loss or blindness.

Often there are no symptoms in the early stages of the disease. Vision may not change until the disease becomes severe. Hence regular eye examination is very important in diabetics in order to catch the disease before it permanently damages your vision.

Diabetic Retinopathy refers to retinal damage caused by Diabetes. Diabetic Retinopathy can occur in both type I (insulin-dependent) and type II (non-insulin-dependent) diabetics. Retinopathy can show up early in the course of diabetes, but on average, it takes 8-10 years to develop changes that are visible in the retina. About 20% of type II diabetics already show some signs of Diabetic Retinopathy when they are first diagnosed. In both types of Diabetes, retinopathy tends to be more severe the longer the person has had the disease.

As a focus area, PVRI conducts free Diabetic eye camp every Saturday at its hospital. We offer both Laser treatment (photocoagulation) and Vitrectomy.

Laser treatment (Photocoagulation):

An ophthalmologist uses a laser beam to seal damaged blood vessels and stop them from leaking blood. Laser can also prevent the growth of new vessels seen in Proliferative Retinopathy. This outpatient procedure can stop or slow down the vision loss.


An ophthalmologist surgically removes the jelly-like fluid or the Vitreous humor from the eye and replaces it with saline. Any scar tissue that has formed is also removed. This procedure must be done in an operating room.