Introduction
Diabetic retinopathy is a leading cause of visual impairment worldwide, arising as a microvascular complication of chronic hyperglycemia in individuals with diabetes mellitus. Despite advances in glycemic control and management strategies, preventing the onset and progression of retinopathy remains a significant clinical challenge. The recent secondary analysis of the Japan Diabetes Optimal Integrated Treatment Study for the 3 Major Risk Factors of Cardiovascular Diseases (J-DOIT3) provides vital insights into how multifactorial intervention influences retinopathy risk and the role of glycemic parameters and hypoglycemia.
