Prevalence and association of refractive anisometropia with near work habits among young schoolchildren: The evidence from a population-based studyReportar como inadecuado




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Background

Lifestyle behaviour may play a role in refractive error among children, but the association between near work habits and refractive anisometropia remains unclear.

Methods

We estimated the prevalence of refractive anisometropia and examined its association with near work activities among 23,114 children in the Myopia Investigation Study in Taipei who were grade 2 elementary school students at baseline in 2013 and 2014. Baseline data on demographics, medical history, parental history and near work habits were collected by parent-administered questionnaire survey. Refractive status was determined by cycloplegic autorefraction. Refractive anisometropia was defined as the spherical equivalent difference ≥ 1.0 diopter between eyes.

Results

The prevalence of refractive anisometropia was 5.3% 95% confidence interval CI, 5.0% to 5.6%. The prevalence and severity of refractive anisometropia increased with both myopic and hyperopic refractive error. Multivariate logistic regression analysis revealed that refractive anisometropia was significantly associated with myopia odds ratio OR, 2.98; 95% CI, 2.53–3.51, hyperopia OR, 2.37; 95% CI, 1.98–2.83, degree of astigmatism OR, 1.005; 95% CI, 1.005–1.006, amblyopia OR, 2.54; 95% CI, 2.06–3.12, male gender OR, 0.88; 95% CI, 0.78–0.99 and senior high school level of maternal education OR, 0.69; 95% CI, 0.52–0.92. Though anisometropic children were more likely to spend more time on near work crude OR, 1.15; 95% CI, 1.02–1.29 and to have less eye-to-object distance in doing near work crude OR, 1.15; 95% CI, 1.01–1.30, these associations became insignificant after additional adjustment for ocular, demographic and parental factors.

Conclusions

The present study provides large-scale, population-based evidence showing no independent association between refractive anisometropia and near work habits, though myopia is associated with refractive anisometropia.



Autor: Chia-Wei Lee, Shao-You Fang, Der-Chong Tsai , Nicole Huang, Chih-Chien Hsu, Shing-Yi Chen, Allen Wen-Hsiang Chiu, Catherine Jui-L

Fuente: http://plos.srce.hr/



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