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Prevalence and related factors of children myopia in Pudong New Area, Shanghai: a cross-sectional study.


ABSTRACT:

Objectives

This study aimed to assess the prevalence and related factors of myopia among school-aged children after COVID-19 pandemic.

Design

Cross-sectional study.

Setting

Pudong New Area, Shanghai.

Participants

1722 children aged 7-9 randomly selected from 8 primary schools were screened from 1 February 2023 to 30 April 2023.

Main outcome measures

Children's height, weight and eye parameters were examined. Myopia was defined as a cycloplegic spherical equivalent ≤-0.50 dioptres in either eye. A vision-related behaviour questionnaire was applied to investigate the associations between myopia and its risk factors.

Results

Of the 1722 individuals enrolled, 25.6% (456) had myopia. After adjusting other characteristics, the following factors were associated with an increased rate of myopia: age (9 years vs 7 years, adjusted OR (AOR) 1.84, 95% CI 1.18 to 2.85, p=0.007), parental myopia status (both myopia vs none, AOR 5.66, 95% CI 3.71 to 8.63, p<0.001; one myopia vs none, AOR 2.92, 95% CI 1.93 to 4.42, p<0.001), reading books too close (yes vs no, AOR 1.58, 95% CI 1.20 to 2.08, p=0.001), writing with a tilted head (yes vs no, AOR 1.37, 95% CI 1.05 to 1.77, p=0.019), sleep patterns (early to bed late to rise vs early to bed early to rise, AOR 1.52, 95% CI 1.02 to 2.26, p=0.039). By contrast, a higher monthly household income and the habit of reading while lying down were associated with lower risk of myopia.

Conclusions

The prevalence of myopia is of concern among young school-aged children after COVID-19. Correcting eye use behaviour and improving sleep habits may reduce myopia. Also, gender differences should be considered in prevention strategies for children's myopia.

SUBMITTER: Cheng P 

PROVIDER: S-EPMC10729255 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Publications

Prevalence and related factors of children myopia in Pudong New Area, Shanghai: a cross-sectional study.

Cheng Peng P   Zhang Xiaohua X   Zhou Wei W   Xu Jiawei J   Chen Fangrong F   Qian Dan D   Cao Bin B  

BMJ open 20231209 12


<h4>Objectives</h4>This study aimed to assess the prevalence and related factors of myopia among school-aged children after COVID-19 pandemic.<h4>Design</h4>Cross-sectional study.<h4>Setting</h4>Pudong New Area, Shanghai.<h4>Participants</h4>1722 children aged 7-9 randomly selected from 8 primary schools were screened from 1 February 2023 to 30 April 2023.<h4>Main outcome measures</h4>Children's height, weight and eye parameters were examined. Myopia was defined as a cycloplegic spherical equiva  ...[more]

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