目的：分析玻璃体切割术治疗复杂性视网膜脱离的效果。 方法：对45例45眼复杂性视网膜脱离眼行闭合式玻璃体切割术，术毕玻璃体腔行C₃F₈气体或硅油填充。 结果：玻璃体切割联合玻璃体腔注气术15眼，1次手术视网膜复位13眼(87%)；玻璃体切割联合玻璃体腔内硅油填充术30眼，1次手术完全复位27眼(90%)。统计学检验两组1次手术视网膜复位率的差异无显著意义。术后视力：数指/眼前者2眼，0.02~0.05者3眼，0.06~0.1者10眼，0.12~0.25者19眼，≥0.3者11眼。术中常见的并发症有医源性视网膜裂孔，术后并发症最多见是继发性青光眼和白内障。 结论：玻璃体切割联合眼内填充能有效地治疗复杂性视网膜脱离,术后大部分患者视力能得到改善。

AIM:To assess the effectiveness of modern vitrectomy on complex retinal detachment. METHODS:Totally 45 cases (45 eyes) of complex retinal detachment underwent modern vitrectomy combined with 15% C₃F₈-gas or silicone-oil tamponade. RESULTS:Fifteen eyes underwent vitrectomy with C₃F₈-gas tamponade,13(87%) eyes achieved retinal reattachment primarily.30 eyes underwent vitrectomy with silicon-oil tamponade,27(90%) eyes achieved retinal reattachment primarily.The comparison between two groups has no significant difference.The visual acuity after operation was counting fingers in 2 eyes; 0.02-0.05 in 3 eyes，0.06-0.1 in 10 eyes；0.12-0.25 in 19 eyes，greater than or equal to 0.3 in 11 eyes. The main complication in operation was iatrogenic slit pore. The main complications after operation were secondary glaucoma and complicated cataract. CONCLUSION:Modern vitrectomy combined with C_{3F8-gas or silicone-oil tamponade is a useful procedure for complex retinal detachment.The visual acuity of most patients after operation could improve.}