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Myopia, Lifestyle, and Schooling in Students of Chinese Ethnicity in Singapore and Sydney

Myopia, Lifestyle, and Schooling in Students of Chinese Ethnicity in Singapore and Sydney EPIDEMIOLOGY Myopia, Lifestyle, and Schooling in Students of Chinese Ethnicity in Singapore and Sydney Kathryn A. Rose, PhD; Ian G. Morgan, BSc, PhD; Wayne Smith, BMed, MPH, PhD; George Burlutsky, MStat; Paul Mitchell, PhD; Seang-Mei Saw, PhD Objective: To compare the prevalence and risk factors Sydney and 71% in Singapore. Children in Sydney read for myopia in 6- and 7-year-old children of Chinese eth- more books per week (P .001) and did more total near- nicity in Sydney and Singapore. work activity (P = .002). Children in Sydney spent more time on outdoor activities (13.75 vs 3.05 hours per week; Methods: Two cross-sectional samples of age- and eth- P .001), which was the most significant factor associ- nicity-matched primary school children participated: 124 ated with the differences in the prevalence of myopia be- from the Sydney Myopia Study and 628 from the Sin- tween the 2 sites. gapore Cohort Study on the Risk Factors for Myopia. Cy- cloplegic autorefraction was used to determine myopia Conclusions: The lower prevalence of myopia in Syd- prevalence (spherical equivalent −0.5 diopter). Life- ney was associated with increased hours of outdoor ac- style activities were ascertained by questionnaire. tivities. We hypothesize that another factor http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA Ophthalmology American Medical Association

Myopia, Lifestyle, and Schooling in Students of Chinese Ethnicity in Singapore and Sydney

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Publisher
American Medical Association
Copyright
Copyright 2008 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
2168-6165
eISSN
2168-6173
DOI
10.1001/archopht.126.4.527
pmid
18413523
Publisher site
See Article on Publisher Site

Abstract

EPIDEMIOLOGY Myopia, Lifestyle, and Schooling in Students of Chinese Ethnicity in Singapore and Sydney Kathryn A. Rose, PhD; Ian G. Morgan, BSc, PhD; Wayne Smith, BMed, MPH, PhD; George Burlutsky, MStat; Paul Mitchell, PhD; Seang-Mei Saw, PhD Objective: To compare the prevalence and risk factors Sydney and 71% in Singapore. Children in Sydney read for myopia in 6- and 7-year-old children of Chinese eth- more books per week (P .001) and did more total near- nicity in Sydney and Singapore. work activity (P = .002). Children in Sydney spent more time on outdoor activities (13.75 vs 3.05 hours per week; Methods: Two cross-sectional samples of age- and eth- P .001), which was the most significant factor associ- nicity-matched primary school children participated: 124 ated with the differences in the prevalence of myopia be- from the Sydney Myopia Study and 628 from the Sin- tween the 2 sites. gapore Cohort Study on the Risk Factors for Myopia. Cy- cloplegic autorefraction was used to determine myopia Conclusions: The lower prevalence of myopia in Syd- prevalence (spherical equivalent −0.5 diopter). Life- ney was associated with increased hours of outdoor ac- style activities were ascertained by questionnaire. tivities. We hypothesize that another factor

Journal

JAMA OphthalmologyAmerican Medical Association

Published: Apr 1, 2008

References