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角膜移植手术日益普及,板层角膜移植既简单又安全。穿透性角膜移植较复杂,术后可产生较多的合并症,而危害最大的为术后眼内炎。多数限内炎是由植片污染所致,报告较多的为细菌、真菌和病毒性感染。还有因使用白血病供体的植片,术后发生眼前节白血病浸润的报告。因此,许多学者对供眼材料的污染问题,给予极大的关注。一、供眼材料的污染环节 (一)尸体眼球的污染正常活体结膜囊内,可以存在某些非致病微生物,这方面的研究较多,已为人所共知。但不论什么死因,人死后,由生前原结膜囊存在的微生物,以及死后受到自然界空气和处理尸体过程
Corneal transplant surgery is increasingly popular, lamellar keratoplasty is simple and safe. Penetrating keratoplasty is more complicated, can produce more complications after surgery, and the most harmful postoperative endophthalmitis. Most endophthalmitis is caused by the pollution of the graft, the report is more of bacteria, fungi and viral infections. There are also reports of leukoplakia infiltration in the anterior segment due to the use of leukemic donor grafts. Therefore, many scholars give great attention to the problem of contamination of the material for the eye. First, the pollution of the supply of eye parts (A) the corpse Eye pollution in vivo normal living conjunctival sac, there may be some non-pathogenic microorganisms, research in this area more, it is well known. But no matter what the cause of death, after the death of the human, the presence of microorganisms in the original conjunctival sac, as well as after the death of natural air and the process of handling the body