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Diabetic retinopathy is a blood glucose or blood sugar complication that influences and affects eyes. It was caused due to damage to the blood vessels of the light-protective and sensitive tissue which are located at the back of the eye (retina). At initial stages, diabetic retinopathy might not show any visual symptoms or only mild vision problems. Progressively, it has ability to cause blindness. This condition can develop in any patient who is with Type I or Type II diabetes. The actual risk factor lies in the severity of blood glucose levels and time period of suffering from diabetes. As the glucose levels increases the ocular pressure increases leading to more complications.