The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years

Abstract Background The Prevalence of myopia is increasing in China. This study aimed to explore the distribution of spherical equivalent (SE) and its association with age, body mass index (BMI), gender in a non-myopic Chinese children population aged 6 to 12 years. Methods A total of 6362 students...

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Main Authors: Xiyan Zhang, Yonglin Zhou, Jie Yang, Yan Wang, Wenyi Yang, Liuwei Gao, Yao Xiang, Fengyun Zhang
Format: Article
Language:English
Published: BMC 2020-11-01
Series:BMC Ophthalmology
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12886-020-01709-1
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spelling doaj-b7bd96b9a1eb41d692f4154ea7af11012020-11-25T04:07:57ZengBMCBMC Ophthalmology1471-24152020-11-012011710.1186/s12886-020-01709-1The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 yearsXiyan Zhang0Yonglin Zhou1Jie Yang2Yan Wang3Wenyi Yang4Liuwei Gao5Yao Xiang6Fengyun Zhang7Department of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionSchool of Public Health, Southeast UniversityDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionDepartment of Child and Adolescent Health Promotion, Jiangsu Provincial Center for Disease Control and PreventionAbstract Background The Prevalence of myopia is increasing in China. This study aimed to explore the distribution of spherical equivalent (SE) and its association with age, body mass index (BMI), gender in a non-myopic Chinese children population aged 6 to 12 years. Methods A total of 6362 students were recruited for ophthalmological investigation. Demographic and myopia related behavioral information was collected. SE value was measured by the Topcon RM-8900 or KR-800autorefractors. Potential independent risk factors were determined with Odds Ratio (OR) and 95% Confidence Interval (CI) by logistic regression analysis. We further constructed the nomogram model to predict future onset of myopia. Results Among the study population, 3900 (61.3%) were non-myopic. The prevalence of myopia is 38.0% for boys and 39.5% for girls. The average SE values were 0.50 ± 0.70 D for boys and 0.60 ± 0.80 D for girls. The mean SE values decreased with age, and the value of height and BMI took on a stable trend. Threshold values for myopia varied across age groups and gender. Paternal myopia (OR: 1.22, 95%CI: 1.01–1.48), near-work activities on weekends (2.56, 1.17–5.61), and outdoor activities (0.68, 0.54–0.86) were associated with potential myopic in students. Conclusion A series of age-gender based SE threshold values were established to predict myopia in Chinese children aged 6 to 12 years. High risk factors for myopia included paternal myopia, near-work activities on weekends, and outdoor activities. Countermeasures are encouraged to reverse the increasing trend of myopia in children.http://link.springer.com/article/10.1186/s12886-020-01709-1Non-myopiaDistribution of refractionChildrenAlarming threshold valuesJiangsu province
collection DOAJ
language English
format Article
sources DOAJ
author Xiyan Zhang
Yonglin Zhou
Jie Yang
Yan Wang
Wenyi Yang
Liuwei Gao
Yao Xiang
Fengyun Zhang
spellingShingle Xiyan Zhang
Yonglin Zhou
Jie Yang
Yan Wang
Wenyi Yang
Liuwei Gao
Yao Xiang
Fengyun Zhang
The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
BMC Ophthalmology
Non-myopia
Distribution of refraction
Children
Alarming threshold values
Jiangsu province
author_facet Xiyan Zhang
Yonglin Zhou
Jie Yang
Yan Wang
Wenyi Yang
Liuwei Gao
Yao Xiang
Fengyun Zhang
author_sort Xiyan Zhang
title The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
title_short The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
title_full The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
title_fullStr The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
title_full_unstemmed The distribution of refraction by age and gender in a non-myopic Chinese children population aged 6–12 years
title_sort distribution of refraction by age and gender in a non-myopic chinese children population aged 6–12 years
publisher BMC
series BMC Ophthalmology
issn 1471-2415
publishDate 2020-11-01
description Abstract Background The Prevalence of myopia is increasing in China. This study aimed to explore the distribution of spherical equivalent (SE) and its association with age, body mass index (BMI), gender in a non-myopic Chinese children population aged 6 to 12 years. Methods A total of 6362 students were recruited for ophthalmological investigation. Demographic and myopia related behavioral information was collected. SE value was measured by the Topcon RM-8900 or KR-800autorefractors. Potential independent risk factors were determined with Odds Ratio (OR) and 95% Confidence Interval (CI) by logistic regression analysis. We further constructed the nomogram model to predict future onset of myopia. Results Among the study population, 3900 (61.3%) were non-myopic. The prevalence of myopia is 38.0% for boys and 39.5% for girls. The average SE values were 0.50 ± 0.70 D for boys and 0.60 ± 0.80 D for girls. The mean SE values decreased with age, and the value of height and BMI took on a stable trend. Threshold values for myopia varied across age groups and gender. Paternal myopia (OR: 1.22, 95%CI: 1.01–1.48), near-work activities on weekends (2.56, 1.17–5.61), and outdoor activities (0.68, 0.54–0.86) were associated with potential myopic in students. Conclusion A series of age-gender based SE threshold values were established to predict myopia in Chinese children aged 6 to 12 years. High risk factors for myopia included paternal myopia, near-work activities on weekends, and outdoor activities. Countermeasures are encouraged to reverse the increasing trend of myopia in children.
topic Non-myopia
Distribution of refraction
Children
Alarming threshold values
Jiangsu province
url http://link.springer.com/article/10.1186/s12886-020-01709-1
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