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April 5, 2026Journal of Global Health0 citationsOpen Access

Exposure-response association between outdoor activity time and myopia risk in Chinese children and adolescents: a systematic review and meta-analysis

JDJin DaiJWJianjun WangYBYong-Hong Bao

Key Points

  • This research aims to assess the relationship between outdoor activity time and the risk of myopia in Chinese children and adolescents.
  • Conducted a systematic review of existing literature
  • Performed a meta-analysis to evaluate data
  • Focused on studies assessing outdoor activity and myopia risk
  • Found that greater outdoor activity correlates with reduced myopia risk
  • Identified approximately two hours of daily outdoor activity as beneficial

Abstract

Greater outdoor activity time is associated with lower myopia risk among Chinese children and adolescents. An approximate daily exposure of around two hours appears to represent a pragmatic benchmark under current educational conditions.

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Cite This Study

Dai et al. (2026) studied this question.

synapsesocial.com/papers/69d1fdd4a79560c99a0a4259https://doi.org/10.7189/jogh.16.04122
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Smartwatch Measures of Outdoor Exposure and Myopia in Children2024 · 35 citations
  2. 2Global Prevalence of Myopia and High Myopia and Temporal Trends from 2000 through 20502016 · 5,637 citations
  3. 3Outdoor Activity and Myopia among Primary Students in Rural and Urban Regions of Beijing2012 · 245 citations
  4. 4Role of various types of outdoor activities for school-aged children myopia in Fengyang County, Chuzhou City: a cross-sectional study2025 · 1 citations
  5. 5The Effects of Different Outdoor Environments, Sunglasses and Hats on Light Levels: Implications for Myopia Prevention2019 · 69 citations