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在白内障囊内摘出术的同时。行虹膜周边切除,明显地减少了瞳孔阻滞的发生。由于白内障囊外摘出,尤其在后房型人工晶体植入后,很少发生瞳孔阻滞。这种情况是否必须行虹膜切除尚有争论。一些术者认为,所有患者都应行虹膜切除。而另一些常省略这一过程,认为虹膜切除的并发症,要超过其防止瞳孔阻滞的优点。如果某些眼白内障囊外摘出后很可能出现人工晶体瞳孔阻滞,则有必要行虹膜切除。作者治疗了6例人工晶体瞳孔阻滞性闭角型青光眼的糖尿病患者,这些病人在白内障囊外摘出时均未行虹膜周边切除。病例报告: 6例患者皆为胰岛素依赖型、成年型糖尿
In the cataract extraction surgery at the same time. Peripheral iris resection, significantly reducing the occurrence of pupillary block. Due to extracapsular cataract extraction, especially in the posterior chamber intraocular lens implantation, pupillary seldom occurs. Whether this situation must be iris excision is controversial. Some surgeons believe that all patients should be iridectomized. While others often omit this process, the complications of iridectomy are considered to outweigh the advantages of preventing pupil block. If some intraocular extracapsular cataract extraction is likely to appear after intraocular lens block, it is necessary to line iris resection. The authors treated 6 patients with idiopathic glaucoma with IOL, and none of these patients underwent excisional iris excision at the time of extracapsular cataract extraction. Case Report: 6 patients were insulin-dependent, adult type of diabetes