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目的研究血管内皮生长因子(vascular endothelial growth factor,VEGF)和血小板源性生长因子(platelet—derived growth factor,PDGF)在视网膜下液(subretinal fluid,SRF)和前房液(anterlor chamber fluid,ACF)中的含量,并观察其对增生性玻璃体视网膜病变(proliferative vitreo-retinopathy,PVR)形成的影响。方法用ELISA测定63例孔源性视网膜脱离患者SRF和ACF