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本文对大庆市 3～ 6岁集居儿童的弱视发病情况进行了调查 ,明确了我市儿童弱视的发病情况 ,报告如下。1 对象和方法1.1 对象 市区托幼机构 3～ 6岁儿童。1.2 方法 根据妇幼司 1994年 6月下发的《儿童弱视防治技术服务规范》推荐的标准普查。采取年龄距分层随机抽样的方法
In this paper, Daqing City, 3 to 6 years old children living with amblyopia incidence survey conducted to clarify the incidence of amblyopia in our city, the report is as follows. 1 objects and methods 1.1 objects City nurseries 3 to 6 years old children. 1.2 Methods According to the Division of Women and Children in June 1994 issued a “Technical Assistance to Children with Amblyopia Technical Services” recommended by the standard census. Take a random sample of ages from stratification