棘阿米巴属是一类白生性阿米巴,常存在于天然水中,近年发现它可侵入人体,引起脑膜脑炎等疾病。1973年,有人报告棘阿米巴可引起严重的角膜炎,致使视力部分或全部丧失。曾有报告角膜外伤与本病有关。1985年中期～1986年2月,美国疾病控制中心(CDC)收到24例棘阿米巴角膜炎的报告,其中83％(20例)为隐形眼镜配戴 Acanthamoeba is a class of white tempeh, often present in natural water, found in recent years it can invade the body, causing meningoencephalitis and other diseases. In 1973, it was reported that Acanthamoeba can cause severe keratitis, resulting in partial or total loss of vision. There have been reports of corneal trauma and the disease. From mid-1985 to February 1986, the CDC received 24 reports of Acanthamoeba keratitis, of which 83% (20) were for contact lens wear