Survey on Automatic Detection of Diabetic Retinopathy Screening

Diabetic retinopathy is a medical condition in which fluid escapes from the retina, causing retinal damage. It was among the most common metabolic diseases, affecting healthy living across the world and causing mild-to-severe additional consequences. Diabetic individuals frequently have severe retinal capillary aneurysms, haemorrhage, and edoema, which can result in non-proliferative or proliferative diabetic retinopathy and diabetic macular edoema. Blindness can occur as a result of uncontrolled and severe diabetic retinopathy. Some clinical, geometrical, and hemodynamic aspects of diabetic retinopathy are recognised by medical specialists. These characteristics include blood vessel area, exudates, microaneurysm, haemorrhages, and neovascularization, among others. Several recent investigations have shown that the occurrence of DR varies by age of insulin start, type of diabetes, and ethnicity.