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为了解儿童沙眼的患病情况 ,我们于１９９８年６～１１月对本县绍水、石塘两镇共３２所小学进行了沙眼患病现状调查 ,现将结果报告如下。１调查方法按照整群抽样原则 ,对３２所小学全部在校生１０９２２名进行沙眼检查。检查方法按１９９６年６９号《全国学生常见病防治中期考
In order to understand the prevalence of trachoma in children, we conducted a survey on the prevalence of trachoma in 32 schools in Shaoshui and Shitang towns from June to November 1998. The results are reported below. 1 Survey method According to the principle of cluster sampling, 10922 students in all 32 elementary schools were checked for trachoma. The examination method is based on the mid-term examination of the national common disease prevention and control for students in the year 69 of 1996.