Astigmatism in 12 year old Australian children: Comparisons with a 6 year old population
PURPOSE. To study the distributions of refractive (RA), corneal (CA), and internal astigmatism (IA) in 12-year-old Australian children and to explore differences from previous findings in 6-year-old children. METHODS. Eligible year 7 students (2353/3144 [75.3%], median age, 12 years) from a random cluster sample of 21 high schools in Sydney, Australia, were examined by keratometry, cycloplegic autorefraction, and review of questionnaire data. RESULTS. Prevalence rates of RA, CA, and IA ≥1.0 D...[Show more]
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|Source:||Investigative Ophthalmology and Visual Science|
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