Rate of diabetic retinopathy among the diabetic patients with a best corrected visual acuity of 6/9 or better

ABSTRACT

Background: Diabetic retinopathy is one of the leading causes of blindness worldwide, broadly it is defined as a complication of diabetes that affects the retina; by damaging its blood vessels, which at first may be symptomless, though eventually can lead to serious and sight-threatening complications like hemorrhages, macular edema, and even blindness