I. Introduction

The intricacy of diabetes that affects eyes is referred as Diabetic Retinopathy. It gives rise due to the damage of artery, arteriole, capillary, vein at the back of the eye (retina).So the major risk that arises is due to the poorly controlled blood sugar level. The symptoms of DR includes dark areas of vision, floaters, blurriness and difficulty perceiving colors even spots may also occur. In future blindness may also occur. This DR is caused due to the change of lifestyle, increase in life expectancy. Some treatments can help but this condition can't be cured permanently. The continuous lab test or imaging is required to diagnosis the disease as soon as possible. Microaneurysm is the first symptom which occurs in diabetic retinopathy. If it is detected earlier blindness can be prevented.