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Chinese eye exercises and myopia development in school age children: a nested case-control study

Kang, Meng-Tian, Li, Shi-Ming, Peng, Xiaoxia, Li, Lei, Ran, Anran, Meng, Bo, Sun, Yunyun, Liu, Luo-Ru, Li, He, Millodot, Michel and Wang, Ningli 2016. Chinese eye exercises and myopia development in school age children: a nested case-control study. Scientific Reports 6 (1) , 28531. 10.1038/srep28531

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Abstract

Chinese eye exercises have been implemented in China as an intervention for controlling children’s myopia for over 50 years. This nested case-control study investigated Chinese eye exercises and their association with myopia development in junior middle school children. Outcome measures were the onset and progression of myopia over a two-year period. Cases were defined as 1. Myopia onset (cycloplegic spherical equivalent ≤ −0.5 diopter in non-myopic children). 2. Myopia progression (myopia shift of ≥1.0 diopter in those who were myopic at baseline). Two independent investigators assessed the quality of Chinese eye exercises performance at the end of the follow-up period. Of 260 children at baseline (mean age was 12.7 ± 0.5 years), 201 were eligible for this study. There was no association between eye exercises and the risk of myopia-onset (OR = 0.73, 95%CI: 0.24–2.21), nor myopia progression (OR = 0.79, 95%CI: 0.41–1.53). The group who performed high quality exercises had a slightly lower myopia progression of 0.15 D than the children who did not perform the exercise over a period of 2 years. However, the limited sample size, low dosage and performance quality of Chinese eye exercises in children did not result in statistical significance and require further studies.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Engineering
Subjects: R Medicine > RE Ophthalmology
T Technology > TJ Mechanical engineering and machinery
Publisher: Nature Publishing Group
ISSN: 2045-2322
Date of First Compliant Deposit: 12 April 2017
Date of Acceptance: 6 June 2016
Last Modified: 04 Jun 2017 09:45
URI: http://orca.cf.ac.uk/id/eprint/99052

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