Factors associated with diabetic retinopathy: a cross-sectional study of 1477 patients across four cities in Anhui, China
Background Diabetic retinopathy (DR) remains the leading cause of blindness among working-age adults. With the rising prevalence of diabetes, the burden of DR continues to escalate, substantially impairing patients’ quality of life. Identifying clinical factors associated with prevalent DR may help refine risk-based op...