沙眼是一种慢性传染性眼病 ,如缺乏有效的治疗 ,会引起视力下降 ,重者可导致失明。为了解阜阳市颍泉区中小学生沙眼患病情况 ,给沙眼防治提供根据 ,现将我区 1345 0名中小学生健康体检中沙眼患病情况分析如下 :1　对象与方法中小学生 1345 0人 ,其中农村学生 386 4人 ,城区学生 Trachoma is a chronic infectious eye disease, such as the lack of effective treatment, can cause decreased vision, severe cases can lead to blindness. In order to understand the prevalence of trachoma in primary and secondary school students in Yingquan District of Fuyang City and provide basis for prevention and treatment of trachoma, the prevalence of trachoma in 1345 0 primary and secondary school students in our district is as follows: 1 Subjects and Methods 1345 0 primary and secondary school students 386 rural students 4, urban students