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目的 分析玻璃体切除术治疗急性视网膜坏死的效果.方法 急性视网膜坏死施行玻璃体切除术24例(24眼).其中视网膜脱离者13例,未脱离者11例.均行常规玻璃体切除术,其中3例联合白内障手术,15例行玻璃体切除术+硅油填充,4例单纯玻璃体切除术,2例联合巩膜外垫压.5例硅油取出后再次出现视网膜脱离,进行二次玻璃体切除+硅油填充术.结果 24例中7例术后视力较术前提高两行,8例视力无明显改善,9例术后视力继续下降.其中有5例硅油取出后出现视网膜脱离复发,再次玻璃体切除+硅油填充术,术后视力未见明显改善.结论 玻璃体切除术在治疗急性视网膜坏死长期效果差,我们期待高效抗病毒药物及有效抑制眼内免疫反应的药物能够早日在临床上应用.“,”Objective To analyse the clinical efficacy of pars plana vitrectomy for acute retinal necrosis(ARN).Methods Twenty-four eyes of 24 cases with ARN were treated with pars plana vitrectomy in our hospital.Among these cases,13 cases were accompanied with retinal detachment.3 cases received vitrectomy combined with cataract surgery,15 cases received vitrectomy and silicone oil temponade,4 cases only received vitrectomy and 2 cases received vitrectomy and scleral buckling.The visual acuities before and after operation were compared.Results In these cases,visual acuity improved in 7 eyes (29.17％),unchanged in 8 eyes (33.33％) and decreased in 9 eyes (37.50％).The retinal detachment reoccurred in 5 eyes after silione oil removal and they received vitrectomy combined with silicone oil temponade again with no obvious improvement in visual acuity.Conclusion Despite the advances in vitrectomy,the visual prognosis of ARN remains unsatisfactory.