Epidemiology of refractive and associated factors in school-aged children in Xiangtan

AIM: To investigate the prevalence of poor vision and ametropia and main influencing factors of myopia of primary and secondary school students in Xiangtan, providing scientific basis for prevention and control of myopia among primary and secondary school students.<p>METHODS:Cluster random sam...

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Main Authors: Jian-Xiong Cao, Ying-Ping Zhang, Mei-Fen Xie, Jia-Sheng Yi, Wei Liu, Yan Liu, Yong Chen
Format: Article
Language:English
Published: Press of International Journal of Ophthalmology (IJO PRESS) 2020-07-01
Series:Guoji Yanke Zazhi
Subjects:
Online Access:http://ies.ijo.cn/cn_publish/2020/7/202007025.pdf
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author Jian-Xiong Cao
Ying-Ping Zhang
Mei-Fen Xie
Jia-Sheng Yi
Wei Liu
Yan Liu
Yong Chen
author_facet Jian-Xiong Cao
Ying-Ping Zhang
Mei-Fen Xie
Jia-Sheng Yi
Wei Liu
Yan Liu
Yong Chen
author_sort Jian-Xiong Cao
collection DOAJ
description AIM: To investigate the prevalence of poor vision and ametropia and main influencing factors of myopia of primary and secondary school students in Xiangtan, providing scientific basis for prevention and control of myopia among primary and secondary school students.<p>METHODS:Cluster random sampling was performed. 6 164 samples were randomly chosen to be tested for uncorrected visual acuity, corrected visual acuity and eye position, and among those whose uncorrected far visual acuity of either eyes below 5.0, refractive power of both eyes were further tested. Self-questionnaire was designed to understand the influencing factors of myopia. <p>RESULTS: Among 6 164 samples, the rate of presenting visual acuity below 5.0 is 40.3%(1 249/3 099)for male and 43.8%(1 343/3 065)for female respectively(<i>P</i><0.01). The prevalence of myopia is 59.1% for male and 68.7% for female respectively(<i>P</i><0.01). The prevalence of myopia is 44.1% for primary school students and 71.3% for secondary school students; the prevalence of hyperopia is 3% for primary school students and 1.7% for secondary school students. Multivariate regression analysis showed that, homework time(>2h), average sleeping time(≤8h)and myopic parents are independent risk factors(<i>OR</i>=1.48, 1.55, 1.26, 1.58, 2.13,all <i>P</i><0.05)for myopia of primary and secondary school students.<p>CONCLUSION: The prevalence of visual impairment and myopia for primary and secondary school students in Xiangtan are high, which is influenced by many factors, by which should be intervened comprehensively.
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spelling doaj.art-e454390f15574207bbd0639bcf71c0752022-12-22T00:25:13ZengPress of International Journal of Ophthalmology (IJO PRESS)Guoji Yanke Zazhi1672-51231672-51232020-07-012071231123510.3980/j.issn.1672-5123.2020.7.25Epidemiology of refractive and associated factors in school-aged children in XiangtanJian-Xiong Cao0Ying-Ping Zhang1Mei-Fen Xie2Jia-Sheng Yi3Wei Liu4Yan Liu5Yong Chen6Department of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaDepartment of Ophthalmology, Xiangtan Central Hospital, Xiangtan 411100, Hunan Province, ChinaAIM: To investigate the prevalence of poor vision and ametropia and main influencing factors of myopia of primary and secondary school students in Xiangtan, providing scientific basis for prevention and control of myopia among primary and secondary school students.<p>METHODS:Cluster random sampling was performed. 6 164 samples were randomly chosen to be tested for uncorrected visual acuity, corrected visual acuity and eye position, and among those whose uncorrected far visual acuity of either eyes below 5.0, refractive power of both eyes were further tested. Self-questionnaire was designed to understand the influencing factors of myopia. <p>RESULTS: Among 6 164 samples, the rate of presenting visual acuity below 5.0 is 40.3%(1 249/3 099)for male and 43.8%(1 343/3 065)for female respectively(<i>P</i><0.01). The prevalence of myopia is 59.1% for male and 68.7% for female respectively(<i>P</i><0.01). The prevalence of myopia is 44.1% for primary school students and 71.3% for secondary school students; the prevalence of hyperopia is 3% for primary school students and 1.7% for secondary school students. Multivariate regression analysis showed that, homework time(>2h), average sleeping time(≤8h)and myopic parents are independent risk factors(<i>OR</i>=1.48, 1.55, 1.26, 1.58, 2.13,all <i>P</i><0.05)for myopia of primary and secondary school students.<p>CONCLUSION: The prevalence of visual impairment and myopia for primary and secondary school students in Xiangtan are high, which is influenced by many factors, by which should be intervened comprehensively.http://ies.ijo.cn/cn_publish/2020/7/202007025.pdfvisual impairmentrefractive errorsmyopiaregression analysisstudents
spellingShingle Jian-Xiong Cao
Ying-Ping Zhang
Mei-Fen Xie
Jia-Sheng Yi
Wei Liu
Yan Liu
Yong Chen
Epidemiology of refractive and associated factors in school-aged children in Xiangtan
Guoji Yanke Zazhi
visual impairment
refractive errors
myopia
regression analysis
students
title Epidemiology of refractive and associated factors in school-aged children in Xiangtan
title_full Epidemiology of refractive and associated factors in school-aged children in Xiangtan
title_fullStr Epidemiology of refractive and associated factors in school-aged children in Xiangtan
title_full_unstemmed Epidemiology of refractive and associated factors in school-aged children in Xiangtan
title_short Epidemiology of refractive and associated factors in school-aged children in Xiangtan
title_sort epidemiology of refractive and associated factors in school aged children in xiangtan
topic visual impairment
refractive errors
myopia
regression analysis
students
url http://ies.ijo.cn/cn_publish/2020/7/202007025.pdf
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