In patient having diabetics mellitis usually sooner or later develop diabetic retinopathy with or without treatment. In treated patients the retinopathy can be prevented if detected earlier. Best way to diagnose is OCT which presents in the form of macular oedema which reduce the vision of the patient. the condition may present as haemorrages in the retina. cases can present as blockage of the vein or its branch vein. the treatment consist in the control of the blood sugar, laser coagualation, injection avast in.