Risk factors for myopia progression in school-age children in Wenzhou, China
Journal Title: Eye Science (Yanke Xuebao) - Year 2022, Vol 37, Issue 2
Abstract
[Objective:] To investigate myopia progression and analyze the risk factors associated with myopia progression in a cohort of primary schoolchildren. [Methods:] The study was conducted in two primary schools in Wenzhou. Schoolchildren from grades 2 and 3 were examined in 2014 and were followed up annually until primary school graduation at grade 6. Children who were myopic at baseline were included in this study. The examination included non-cycloplegic subjective refraction, questionnaire survey, and binocular visual function parameters such as phoria, accommodative convergence/accommodation, positive relative accommodation, negative relative accommodation, and fusional convergence range. Multinomial logistic regression analysis was conducted to investigate the risk factors associated with various myopia progression speeds. [Results:] A total of 152 myopic schoolchildren [baseline age range 7–9 years; 95 male (62.5%)] were included in this study. The average refractive error (spherical equivalent refraction, SER) at baseline was −1.30±0.95 D, and the average annual myopia progression was −0.68±0.35 D. Multinomial logistic regression analysis showed that compared to the slow myopia progression group (annual myopia progression >−0.50 D), the moderate myopia progression group (−1.00 D < annual myopia progression ≤−0.50 D) and the fast myopia progression group (annual myopia progression ≤−1.00 D) were associated with having SER values ≤−1.00 D at baseline (moderate: OR=3.51, P=0.003; fast: OR=3.29, P=0.044); the fast myopia progression group was also associated with female sex (OR=4.52, P=0.012); baseline binocular visual function parameters were not related to various myopia progression speeds (P>0.05 for all). [Conclusion:] Sex and baseline refractive error were associated with various myopia progression among primary schoolchildren. No correlation between baseline binocular visual functions and myopia progression was found in this study. Myopia progressed faster in girls and children who had greater myopia (SER values ≤−1.00 D at age 7–9 years) at baseline.
Authors and Affiliations
Yingying YE, Junqian WU, Jinhua BAO, Jingwei ZHENG, Yimin YUAN, Hao CHEN
Keywords
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- EP ID EP763626
- DOI 10.3978/j.issn.1000-4432.2021.12.03
- Views 7
- Downloads 0
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