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选择１９９２年至１９９７年间白内障囊外摘除（ＥＣＣＥ）手术植入国产后房型人工晶体和应用国产粘弹剂的一组病例，将其分组对瞳孔膜形成的发生率及其危险因素进行分析。结果发现瞳孔膜的发生率在老年性白内障６８４眼中为 １１．８％，其中糖尿病组为１９％，高血压组为２１．７％，高血压合并糖尿病组为３１．８％，成熟期白内障组７％，未熟期组为１５．１％，ＥＣＣＥ组１１．８％，超声乳化（Ｐｈａｃｏ）组１２％。另外，外伤性、先天性和并发葡萄膜炎的白内障组分别为２８．３％、４３．８％和３３．３％。经统计学分析，白内障伴有高血压和糖尿病合并高血压；未熟期白内障；外伤性、先天性和并发性白内障植入人工晶体术后，瞳孔膜的发生率明显增高。
A group of patients with domestic posterior chamber intraocular lens implantation and domestic viscoelastics implanted with extracapsular cataract extraction (ECCE) from 1992 to 1997 were selected and the incidence of pupil membrane formation and its risk factors were analyzed in groups. The incidence of pupil film was found to be 11.8% in 684 eyes of senile cataract, of which 19% were in the diabetic group, 21.7% in the hypertensive group, 31.8% in the hypertensive diabetic group, and in the mature cataract group 7%, 15.1% in the immature group, 11.8% in the ECCE group and 12% in the phaco group. In addition, traumatic, congenital and complicated uveitis cataract group were 28.3%, 43.8% and 33.3%. Statistically, cataracts were associated with hypertension and diabetes mellitus with hypertension; immature cataract; traumatic, congenital and concurrent cataract implantation after intraocular lens implantation, the incidence of pupil membrane was significantly increased.