糖尿病视网膜病变 (DR)是糖尿病常见的慢性并发症 ,是现代社会的主要眼病之一。国内外大量流行病学和临床研究表明 ,有效地控制糖尿病患者的高糖血症可显著减少和延缓糖尿病并发症的发生和发展 ,因此认为长期慢性的高糖血症是 DR及糖尿病其它并发症的发病基础。近年来 ,有关细 Diabetic retinopathy (DR) is a common chronic complication of diabetes and is one of the major eye diseases in modern society. A large number of epidemiological and clinical studies at home and abroad show that effectively controlling hyperglycemia in diabetic patients can significantly reduce and delay the occurrence and development of diabetic complications. Therefore, long-term chronic hyperglycemia is considered as other complications of DR and diabetes The basis of the incidence. In recent years, relevant details