ArticleJournal of global health2025
Area-level factors influencing geographical distribution of myopia prevalence among school-aged children and adolescents in Northwest China.
Article in Journal of global health, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Childhood myopia in the modern environment: modifiable risk factors and evidence-based prevention.International journal of ophthalmology · 2026Review
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6 authors.
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Abstract
Background: Northwest China is an ideal spot to investigate geographic differences in myopia prevalence due to the region's unequal allocation of socioeconomic and geo-environmental variables. Yet, the overall geographic distribution of myopia in the region remains unclear. Methods: We conducted a school-based, cross-sectional prevalence survey of myopia in all 14 prefectures of Xinjiang, China. We employed Moran's I index to quantify the spatial distribution of myopia prevalence. We conducted correlation and multivariate logistic regression analyses to determine the independent association of socioeconomic and geo-environmental factors with myopia. Results: We included a total of 64 277 Han (36.6%), Uygur (38.1%), and other ethnic groups (25.3%) children and adolescents aged 6-18 years. The overall myopia prevalence was 52.2%, with northern areas (56.9%) showing a substantially greater prevalence than southern areas (42.2%). Myopia prevalence varies widely between regions, ranging from 65.1% (Karamay, located in northern Xinjiang) to 24.1% (Hotan in southern Xinjiang), and a spatial aggregation of myopia prevalence was identified (Moran's I = 0.364; P = 0.090; Z-score = 1.696). Rather than variations in latitude, the geographical distribution of myopia prevalence may be influenced by disparities in area-level socioeconomic factors (e.g. economic income and health care coverage) and geo-environmental factors (e.g. sunshine duration and environmental greening). Conclusions: There are notable differences in the prevalence of myopia in children and adolescents between northern and southern Xinjiang of northwest China, where socioeconomic circumstances and geo-environmental factors differ greatly. The influencing factors identified in our study may be key area-level intervention targets for myopia control in public health policy.
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