Ip, Jenny; Robaei, Dana; Rochtchina, Elena; Rose, Kathryn; Smith, Wayne; Wang, Jie Jin; Mitchell, Paul
Purpose: To assess the sensitivity and specificity of predicting refractive error type using information from a four-item questionnaire on the purpose of spectacle use and age at first use. Methods: The Sydney Myopia Study examined 1,740 year 1 (78.9% response) and 2,353 year 7 students (75.3% response) from a random cluster sample of 34 primary and 21 secondary schools across Sydney. Parents of participants completed a four-item questionnaire that sought data on parental spectacle use, age at...[Show more]
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