Early Detection of Diabetic Retinopathy Using Various Techniques: A Review

Diabetic retinopathy is a complication of diabetes, caused by high blood sugar levels damaging the back eye (retina). It can cause blindness if left undiagnosed and untreated. However, it usually takes several years for diabetic to reach stage where could threaten your sight. damage vessels in tissue at Poorly controlled risk factor. Early symptoms include floaters, blurriness, dark areas vision difficulty perceiving colors. Blindness occur. Mild cases may be treated with careful diabetes management. Advanced require laser treatment or surgery. DR characterized lesions on retina this paper focuses detecting two these lesions, Microaneurysms Haemorrhages, which are also known as red lesions. earliest visible manifestation retinopathy. They appear tiny dots scattered posteriorly. surrounded ring yellow lipid, hard, exudates that threatening affecting sight, main treatments are: Laser Treatment – treat growth new (retina) proliferative