Prolonged high blood sugar in a diabetic patient produces changes in the blood vessels all over the body. The damage to the blood vessels of the retina is called Diabetic Retinopathy. The blood vessels in the retina can be examined directly and non invasively and so even the earliest changes can be diagnosed.
Highlights of Diabetic Retinopathy :
Diabetic retinopathy can be assessed only by retinal examination. Retinal test is different from glasses testing Beware! Early stages of diabetic retinopathy will not produce any sight loss. Hence only by retinal examination diabetic retinopathy can be diagnosed. Retinal examination should be done once a year.