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首页> 美国卫生研究院文献>International Journal of Medical Sciences >Risk Factors of Myopic Shift among Primary School Children in Beijing China: A Prospective Study
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Risk Factors of Myopic Shift among Primary School Children in Beijing China: A Prospective Study

机译：北京市小学生近视转变的危险因素：前瞻性研究

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>Objective: To evaluate factors associated with myopic shift among primary school children.>Methods: In a one-year prospective school-based study, 5052 children from ten schools were enrolled using a multi-stage random cluster approach. The baseline examination included non-cycloplegic auto-refractometry and questionnaire interview. Measurements were repeated at the follow-up.>Results: Among 5052 students at baseline investigated, 4292 students (85.0%) returned for the follow-up examination. The mean refractive error (-1.13±1.57 diopters) had changed -0.52±0.73 diopters from the baseline to the follow-up examination. 2170 (51.0%) had a rate of significant myopic shift (significant myopic shift is defined as the change of spherical equivalent of the refraction ≤ -0.50D between the follow-up and baseline measures). We confirmed that common associated factors (older age, parental myopia, lower refractive status at baseline, shorter reading distance and lower frequency of outdoor activities during class recesses) were associated with greater shift towards myopia. After controlling for age, sex, region of habitation, parental myopia and refractive status at baseline, greater shift towards myopia was independently associated with distance from near-work (OR=1.48 , 95% CI=1.26-1.74, P<0.001) and longer time outdoors for leisure (OR=0.87, 95% CI=0.78-0.97, P<0.013).>Conclusion: Greater shift towards myopia was independently associated with modifiable factors (distance from near-work and longer time outdoors for leisure) might suggest that encouraging children to go outside for outdoor activities during class recess and after school may be a promising and feasible intervention against myopia development.
机译：>目的：以评估与小学生近视转变相关的因素。>方法：在一项为期一年的基于学校的前瞻性研究中，来自10所学校的5052名儿童使用了多阶段随机聚类方法。基线检查包括非睫状肌自动验光和问卷调查。 >结果：在接受基线调查的5052名学生中，有4292名学生（占85.0％）返回了后续检查。从基线到随访检查，平均屈光不正（-1.13±1.57屈光度）已更改为-0.52±0.73屈光度。 2170（51.0％）的近视移位率很高（显着的近视移位定义为随访和基线测量之间屈光度≤-0.50D的球面等效值的变化）。我们证实，常见的相关因素（年龄较大，父母亲近视，基线时屈光状态降低，阅读距离缩短和课间休息期间户外活动的频率降低）与近视度高相关。在控制了年龄，性别，居住区域，父母近视和基线屈光状态之后，向近视的更大转变与离工作近的距离独立相关（OR = 1.48，95％CI = 1.26-1.74，P <0.001）和在户外休闲的时间更长（OR = 0.87，95％CI = 0.78-0.97，P <0.013）。>结论：向近视的更大转变与可调节因素（离近距离工作和更长距离）独立相关在户外度过闲暇时间）可能表明，鼓励儿童在课间休息时和放学后到户外去户外活动可能是一种有前途且可行的干预措施，可预防近视的发展。

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