全视网膜光凝治疗糖尿病视网膜病变的临床观察

目的:探讨全视网膜光凝(pan retinal photocoag-ulation,PRP)治疗糖尿病视网膜病变(diabetic retinopathy,DR)的临床效果。方法:DR患者408例795眼,采用532nm半导体激光进行全视网膜光凝,光斑直径300～500μm,时间0.2～0.3s,光斑间距1～1.5个光斑,每次击射300～500点,出现Ⅲ级光斑为准;激光治疗量1000～1500点,治疗分3～4次完成;激光后3～6mo复查眼底荧光血管造影(fundus fluorescein angiography,FFA)。结果:显效289眼(36.3%),有效418眼(52.6%),无效88眼(11.1%),总有效率88.9%。视力提高234眼(29.4%),不变453眼(57.0%)。结论:PRP是目前治疗DR最为有效的方法,是控制病情发展、保护患者视力的重要手段。

Clinical observetion of pan retinal photocoagulation for diabetic retinopathy

AIM:To explore the effect of pan retinal photocoag-ulation(PRP) on treating diabetic retinopathy(DR).METHODS:A total of 408 cases (795 eyes) of DR was chosen, 532nm semiconductor laser was used to have PRP, spot diameter was 300-500μm, time was 0.2-0.3 seconds,spot space was 1-1.5 spot. Slap shot 300-500 points per time to reach tertiary light spot; the amount of laser was 1 000-1 500 points, retreated for 3-4 times. The fundus fluorescein angiography (FFA) was performed 3-6 months after the treatment.RESULTS: Patients with obvious effect were 289 eyes (36.3%); with effect were 418 eyes(52.6%); with no effect were 88 eyes (11.1%), and the total effective rate was 88.9%. 234 eyes (29.4% ) had improved visual acuity, and 453 eyes had invalid treatment(57.0%).CONCLUSION: PRP is the most effective way for DR,and an important method to control the illness and protect the eyesight of the patient.