作者用巩膜外周边部视网膜冷凝术治疗增殖性糖尿病性视网膜病变患者。观察81例(81眼)增殖性糖尿病性视网膜病变和复发性眼球积血患者,年龄在22～76岁(平均50±4岁)。男45,女36。糖尿病Ⅰ型48例(59%),病程在3～25年(平均18年);Ⅱ型33例(41%),病程在1～35年(平均9年)。19眼(23%)曾作过激光光凝。术前眼内反复性出血的平均次数为3±2次;治疗时距最末一次出血时间为1～12个月(平均5个月);全部患者均因屈光介质混浊不能施行光凝,仅 The authors used peripheral retinal condensation of the sclera in patients with proliferative diabetic retinopathy. Eighty-one patients (81 eyes) with proliferative diabetic retinopathy and recurrent ocular hemorrhage were observed, ranging in age from 22 to 76 years (mean, 50 ± 4 years). Male 45, female 36. Type I diabetes mellitus (48 cases) (59%), duration of 3 to 25 years (average 18 years); type 33 33 cases (41%), duration of 1 to 35 years (average 9 years). 19 eyes (23%) had laser photocoagulation. Preoperative intraocular rebleeding of the average number of 3 ± 2 times; treatment from the last bleeding time of 1 to 12 months (mean 5 months); all patients were due to refractive media opacity can not be performed photocoagulation, only