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目的回顾性研究白内障囊外摘除和白内障囊外摘除联合囊袋内人工晶体植入术后囊混浊发生率。方法对１８５例（２３４眼）老年性白内障囊外摘除和１０２例（１０９眼）老年性白内障囊外摘除联合囊袋内人工晶体植入术后进行６月～３年（平均２６月）随访，观察其后囊混浊情况。结果前者２３４眼中有８９眼（３８％）发生后囊混浊，后者１０９眼中有１８眼（１７％）发生后囊混浊，二者有显著性差异（Ｐ＜０．０５）。结论白内障囊外摘除联合囊袋内人工晶体植入能降低后囊混浊发生率。
Objective To retrospectively study the incidence of postoperative capsular opacification in patients with extracapsular cataract extraction combined with extracapsular cataract extraction and intraocular lens implantation. Methods 185 cases (234 eyes) of senile cataract extracapsular extraction and 102 cases (109 eyes) senile cataract extracapsular cataract extraction combined with capsular bag intraocular lens implantation were followed up for 6 months to 3 years (average 26 months) Observe the posterior capsule opacity. Results Posterior capsular opacification occurred in 89 of the 234 eyes (38%) and posterior capsular opacities in 18 eyes (17%) of the 109 eyes. There was a significant difference between the two groups (P <0.05). Conclusions Extracapsular cataract extraction combined with capsular intraocular lens implantation can reduce the incidence of posterior capsule opacification.