20多年来,接触镜技术飞速发展,制作工艺不断改进和更新,越来越被人们所接受,但在普及应用的同时也出现一些不良后果,其中以引起角膜感染的并发症最为严重,危害最大。长戴型软接触镜的出现,更增加了角膜感染的机会,国外已有不少有关报导。我国近年来由于接触镜商品化,戴用接触镜人数大幅度增长,由此引致角膜感染的病例也日趋增多,文献中已见有报 Over the past 20 years, the rapid development of contact lens technology, continuous improvement of production technology and update, more and more people accepted, but in the popularization of the application also appeared some adverse consequences, of which the most serious complications caused by corneal infection, the most harmful . Long wearing soft contact lens appears, but also increased the chance of corneal infection, there are many foreign reports. In recent years, due to the commercialization of contact lenses in our country, the number of wearing contact lenses has greatly increased, resulting in an increasing number of cases of corneal infection, which have been reported in the literature