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1.There is another factor that enter into the situation .
还有一个因素也对形势产生了影响。收藏指正
2.Researchse showed that the formation of PCO is because breakdown of the blood-aqueous barrier after ECCE, which lead to growth factor and inflammatory medium enter capsular bag and act on residual lens epithelial cells on the anterior capsule. The fibroblast-like cells migrate and proliferate rapidly on posterior capsule and secrect a lot of collagen and extracellular matrix.
目前的研究认为：PCO的形成是由于白内障囊外摘除术后血—房水屏障遭到破坏，导致外源性的细胞因子和炎症介质进入囊袋内，作用于前囊残留的晶状体上皮细胞上，使其发生成纤维细胞样改变，并向后囊不断增殖、迁徙，合成大量的胶原和细胞外基质，这些物质相互混杂，在后囊上形成膜状混浊物。收藏指正
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