Myopia, lifestyle, and schooling in students of Chinese ethnicity in Singapore and Sydney.

OBJECTIVE To compare the prevalence and risk factors for myopia in 6- and 7-year-old children of Chinese ethnicity in Sydney and Singapore. METHODS Two cross-sectional samples of age- and ethnicity-matched primary school children participated: 124 from the Sydney Myopia Study and 628 from the Singapore Cohort Study on the Risk Factors for Myopia… (More)

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