The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China.
<h4>Purpose</h4>To determine the prevalence of visual impairment and glasses ownership among Han Chinese and Hui minority junior high school children in Ningxia Hui Autonomous Region, China.<h4>Design</h4>Population-based cross-sectional study.<h4>Methods</h4>Visi...
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Public Library of Science (PLoS)
2021
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oai:doaj.org-article:56d7db94d8d44b95a168418024f153962021-12-02T20:19:21ZThe prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China.1932-620310.1371/journal.pone.0256565https://doaj.org/article/56d7db94d8d44b95a168418024f153962021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256565https://doaj.org/toc/1932-6203<h4>Purpose</h4>To determine the prevalence of visual impairment and glasses ownership among Han Chinese and Hui minority junior high school children in Ningxia Hui Autonomous Region, China.<h4>Design</h4>Population-based cross-sectional study.<h4>Methods</h4>Vision screening was conducted on 20,376 children (age 12-15 years) in all 124 rural junior high schools in Ningxia. Personal and family characteristics, glasses ownership, and academic performance were assessed through a survey questionnaire and standardized mathematics test, respectively.<h4>Results</h4>The prevalence of visual acuity (VA) ≤6/12 in either eye was significantly higher among Han (54.5%) than Hui (45.2%) children (P<0.001), and was significantly positively associated with age, female sex, Han ethnicity, parental outmigration for work, shorter time spent outside during recess, shorter time spent watching television and higher time spent studying. Among children with VA≤6/12 in both eyes, only 56.8% of Han and 41.5% of Hui children had glasses (P<0.001). Glasses ownership was significantly associated with worse vision, greater family wealth, female sex, higher test scores, age, parental outmigration for work, understanding of myopia and glasses, higher time spent studying and Han ethnicity.<h4>Conclusion</h4>One of the first of its kind, this report on Han and Hui ethnic schoolchildren confirms a high prevalence of visual impairment among both populations, but slightly higher among the Han. Both groups, especially the Hui, have low rates of glasses ownership. Future interventions and policies designed to improve glasses usage should focus on populations with lower incomes and seek to correct erroneous beliefs about the safety of glasses and efficacy of traditional eye exercises.Huan WangBrandon BarketSharon DuDimitris FriesenEzra KohrmanEsther TokBaixiang XiaoWenyong HuangVing Fai ChanGraeme MacKenzieNathan CongdonPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256565 (2021) |
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Medicine R Science Q Huan Wang Brandon Barket Sharon Du Dimitris Friesen Ezra Kohrman Esther Tok Baixiang Xiao Wenyong Huang Ving Fai Chan Graeme MacKenzie Nathan Congdon The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| description |
<h4>Purpose</h4>To determine the prevalence of visual impairment and glasses ownership among Han Chinese and Hui minority junior high school children in Ningxia Hui Autonomous Region, China.<h4>Design</h4>Population-based cross-sectional study.<h4>Methods</h4>Vision screening was conducted on 20,376 children (age 12-15 years) in all 124 rural junior high schools in Ningxia. Personal and family characteristics, glasses ownership, and academic performance were assessed through a survey questionnaire and standardized mathematics test, respectively.<h4>Results</h4>The prevalence of visual acuity (VA) ≤6/12 in either eye was significantly higher among Han (54.5%) than Hui (45.2%) children (P<0.001), and was significantly positively associated with age, female sex, Han ethnicity, parental outmigration for work, shorter time spent outside during recess, shorter time spent watching television and higher time spent studying. Among children with VA≤6/12 in both eyes, only 56.8% of Han and 41.5% of Hui children had glasses (P<0.001). Glasses ownership was significantly associated with worse vision, greater family wealth, female sex, higher test scores, age, parental outmigration for work, understanding of myopia and glasses, higher time spent studying and Han ethnicity.<h4>Conclusion</h4>One of the first of its kind, this report on Han and Hui ethnic schoolchildren confirms a high prevalence of visual impairment among both populations, but slightly higher among the Han. Both groups, especially the Hui, have low rates of glasses ownership. Future interventions and policies designed to improve glasses usage should focus on populations with lower incomes and seek to correct erroneous beliefs about the safety of glasses and efficacy of traditional eye exercises. |
| format |
article |
| author |
Huan Wang Brandon Barket Sharon Du Dimitris Friesen Ezra Kohrman Esther Tok Baixiang Xiao Wenyong Huang Ving Fai Chan Graeme MacKenzie Nathan Congdon |
| author_facet |
Huan Wang Brandon Barket Sharon Du Dimitris Friesen Ezra Kohrman Esther Tok Baixiang Xiao Wenyong Huang Ving Fai Chan Graeme MacKenzie Nathan Congdon |
| author_sort |
Huan Wang |
| title |
The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| title_short |
The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| title_full |
The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| title_fullStr |
The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| title_full_unstemmed |
The prevalence and correlates of vision impairment and glasses ownership among ethnic minority and Han schoolchildren in rural China. |
| title_sort |
prevalence and correlates of vision impairment and glasses ownership among ethnic minority and han schoolchildren in rural china. |
| publisher |
Public Library of Science (PLoS) |
| publishDate |
2021 |
| url |
https://doaj.org/article/56d7db94d8d44b95a168418024f15396 |
| work_keys_str_mv |
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