Diabetes Mellitus is a condition which impairs the body’s ability to use and store sugar. The past two decades have seen an increase in the incidence of diabetes in India. This increase has been attributed the change in lifestyle caused by stress, high-calorie diet and decreased physical activity. 

Diabetes can cause blindness. Diabetics are also at high risk for eye complications i.e. Diabetic retinopathy. Retinopathy means abnormal process happening in the retina. Hence as the name suggests, diabetic retinopathy refers to retinopathy due to diabetes. It is the advanced stage of the disease process in which the blood vessels in the retina are damaged and leak fluid or blood which can cause blindness.