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A Follow-up Intervention Study on Visual Health of Primary SchoolStudents Affected by Outdoor Physical Activities
Authors
李佑发
李爱华
王思佳
魏高峡
Publication date
1 January 2021
Publisher
Doi
Cite
Abstract
目的:探究增加户外体育活动时长对小学生视力健康水平的影响。方法:采用实验法和问卷调查法,在北京市某校2~6年级各1个班选取实验对象,每个班随机抽取50%的学生作为干预组,另外50%的学生作为对照组,一共有257名小学生参与干预实验与调查,干预时长为9个月,其间每隔3个月对受试小学生进行一次视力检查和问卷调查,对干预组实施为期9个月的户外体育活动干预,一学年后对受试小学生视力健康状况及干预效果进行分析。结果:受试小学生裸眼远视力呈现下降趋势;在保证常规体育活动的基础上,每周增加6 h及以上时间的户外体育活动,可显著改善小学生视力;在坚持6个月及以上时间的户外体育活动的前提下,每周增加1 h的户外体育活动,受试小学生裸眼远视力可提高0.005。结论:受试小学生裸眼远视力随时间的推移呈现逐渐下降趋势;增加户外体育活动时长对受试小学生视力具有保护作用,户外体育活动时长与受试小学生视力健康水平之间存在因果关系。这为通过增加户外体育活动时长预防小学生视力不良提供了理论和实践依据。</p
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Institutional Repository of Institute of Psychology, Chinese Academy of Sciences
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Last time updated on 19/05/2022