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白内障囊外摘出术后的后囊膜混浊 (后发障 ,posteriorcapsule opacification,PCO) ,发病率可达 2 0 %～ 5 0 % ,明显影响视力。术后时间越长 ,患者年龄越小 ,混浊发生率越高。混浊的后囊膜一般形成纤维膜及 Elschning珠 ,是因残留的人晶状体上皮细胞 (human lens epithelial ce
Posterior capsular opacification (PCO) after extracapsular cataract extraction has a morbidity of 20% ~ 50%, significantly affecting eyesight. The longer the postoperative time, the younger the patient and the higher the incidence of opacity. Turbid posterior capsular membranes generally form a fibrous membrane and Elschning beads, due to the residual human lens epithelial ce