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1968年Cairns首先报道滤帘切除术治疗原发性青光眼获得很好疗效,其后国内有许多作者亦报道此手术疗效满意。根据Cairns和Warson等氏认为本术式成功的机理主要是手术切除了青光眼病变阻塞的小梁和一段Schlemm氏管,使房水直接从管的两断端流入管腔内经集合管和巩膜内静脉丛连接向外引流。GoLdmann和GaLin等认为滤帘切除术的降压机理主要是外引流作用。我们采用巩膜瓣下小梁切除术的巩膜瓣分为缝合与不缝合两组,作对照观察其疗效。
In 1968, Cairns first reported that curtain drainage was effective in treating primary glaucoma. Many domestic authors reported that the surgery was satisfactory. According to Cairns and Warson et al., The mechanism of the success of this procedure is that surgical removal of trabecular meshwork and Schlemm’s canal with glaucomatous obstructions is surgically performed, and aqueous humor is allowed to flow directly from the two ends of the tube into the lumen via the collecting tube and the intra-scleral vein Plexus connection outward drainage. GoLdmann and GaLin believe that the main mechanism of extracorporeal drainage is the mechanism of blood pressure reduction. We use scleral flap trabeculectomy scleral flap is divided into suture and non-suture two groups, as a control to observe its efficacy.