糖尿病性视网膜病变(DR)是糖尿病常见的并发症之一,可导致双眼不可逆性盲。其中,糖尿病性黄斑水肿是视力早期减退的主要原因[1],且患病率随DR严重程度增加而增加[2];故黄斑水肿的治疗,对保存和提高DR患者的视力有着极其重要的意义。国内外的临床实践证明,激光治疗黄斑水肿是目 Diabetic retinopathy (DR) is a common complication of diabetes that can lead to irreversible blindness in both eyes. Among them, diabetic macular edema is the main reason for early vision loss [1], and the prevalence increased with the severity of DR increased [2]; so the treatment of macular edema, to preserve and improve vision in patients with DR is extremely important significance. Clinical practice at home and abroad have proved that laser treatment of macular edema is the goal