沙眼是眼科常见的传染病，由沙眼病原体感染所致，幼儿尤易感染，原因是多方面的，为了解与人体内微量元素锌关系，我们进行了调查分析：主要对幼儿园3－6岁的幼儿568人进行眼科检查，按国家沙眼诊断试行标准草案的标准，诊断沙眼171人，发病率为对．10％，其中有126人进行了发 Trachoma is a common ophthalmic infectious disease caused by the infection of trachoma pathogens, especially vulnerable to infection in children for many reasons, in order to understand the relationship with the body of trace elements of zinc, we conducted a survey analysis: the main kindergarten 3-6 years old 568 children for eye examination, according to the national standard of trial diagnosis of trachoma standards, the diagnosis of trachoma 171, the incidence was right. 10%, of whom 126 were sent