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在校外,近视者和非近视者之间,暴露于光线的情况不同
Rohit Dhakal1,2, John G Lawrenson2, Byki Huntjens2
1Myopia Research Lab, Prof. Brien Holden Eye Research Centre & Brien Holden Institute of Optometry and Vision Sceinces, LV Prasad Eye Institute, Hyderabad, India.
BMJ open ophthalmology
|May 30, 2024
概括
与近视儿童相比,非近视的印度儿童在户外度过了更多时间,并在学校过渡期间暴露于更高的光线. 这表明暴露于光线可能在近视控制中起作用.
科学领域:
- 眼科医生 眼科 眼科
- 环境健康 环境健康
- 儿科 儿科 儿科
背景情况:
- 近视的患病率在全球范围内不断增加,遗传和环境因素有助于其发展.
- 假设暴露于光线,特别是户外的时间,是预防近视的保护因素.
- 跨种族的社会经济,生活方式和环境变化可能会影响近视的发展和进展.
研究的目的:
- 客观地调查印度学童的曝光模式,考虑到种族和环境的差异.
- 为了比较近视和非近视儿童之间的光照情况.
- 为了分析在学校日的不同时间,包括过渡期的光线暴露.
主要方法:
- 一个经过验证的可穿戴式光追踪器被用来记录143名印度学童 (9-15岁,50个近视) 的光照情况,连续六天.
- 在近视和非近视之间比较了照明暴露水平,户外时间和户外时代.
- 分析包括上学日 (上学前,上学,上学后;班级,休息,过渡) 和非上学日.
主要成果:
- 总体中位数每日照明曝光量为807卢克斯/天,在户外花费46分钟和9个户外时代 (≥1000卢克斯).
- 与近视儿童相比,非近视儿童在非学日的每日照明暴露显著更高.
- 在学校过渡期间,非近视儿童的照明暴露率明显高,在户外度过了更多时间,并且比近视儿童在户外度过了更多的时代.
结论:
- 在近视儿童和非近视儿童之间在学校过渡期间观察到光线暴露,户外时间和户外时代的显著差异.
- 这些发现表明,暴露于光线,特别是在过渡期,可能是印度学童近视控制策略的重要因素.
- 需要进一步的研究,以阐明曝光对不同人群近视发展和进展的精确机制和影响.
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