病例1:李××,男,72岁,1988年10月20日因右眼白内障作晶体冷冻摘出术,术中采用笔形棉花条头部拨开上方虹膜,置冷冻头于晶体赤道部摘出晶体。术后见前房有6～7mm长之棉花丝1根,横置於玻璃体前表面,术后按常规口服少量皮质类固醇,前房无明显反应,故未取出,继续观察。出院矫正视力1.0,随访2年,玻璃体未见明显混浊,眼底正常。 Case 1: Li × ×, male, 72 years old, October 20, 1988 due to the right eye cataract extraction and cryogenic surgery, intraoperative use of the head of the cotton pen to poke the top of the iris, frozen head set aside in the crystal equator part of the crystal . Postoperative see the anterior chamber 6 ~ 7mm long cotton thread 1, transversely placed in front of the vitreous, postoperative conventional oral small amounts of corticosteroids, anterior chamber no significant reaction, it is not removed, continue to observe. Discharge corrected visual acuity 1.0, follow-up 2 years, no obvious cloudy vitreous, fundus normal.