【摘 要】
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Purpose To determine the prevalence, incidence and risk factors for myopia and high myopia among Chinese children in Anyang city, Henan Province, central China.Methods A total of 2119 grade 7 students
【机 构】
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Beijing Tongren Eye Center,Beijing Tongren Hospital,Capital Medical University,Beijing,China
【出 处】
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第十七届亚非眼科大会暨中华医学会第十九次全国眼科学术大会
论文部分内容阅读
Purpose To determine the prevalence, incidence and risk factors for myopia and high myopia among Chinese children in Anyang city, Henan Province, central China.Methods A total of 2119 grade 7 students were examined and followed up one year later.Myopia was defined as cycloplegic spherical equivalent (SE) ≤-0.50 diopters (D) and high myopia as ≤-6.00 D.Myopic shift was defined as SE shifting towards myopia of at least 0.50 D/y.Questionnaires on parental myopia, near work and outdoor activities were administrated to the students and parents.
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