Please use this identifier to cite or link to this item: https://doi.org/10.1136/bjo.2008.150979
DC FieldValue
dc.titleOutdoor activity and myopia in Singapore teenage children
dc.contributor.authorDirani, M.
dc.contributor.authorTong, L.
dc.contributor.authorGazzard, G.
dc.contributor.authorZhang, X.
dc.contributor.authorChia, A.
dc.contributor.authorYoung, T.L.
dc.contributor.authorRose, K.A.
dc.contributor.authorMitchell, P.
dc.contributor.authorSaw, S.-M.
dc.date.accessioned2014-05-20T02:29:56Z
dc.date.available2014-05-20T02:29:56Z
dc.date.issued2009-08
dc.identifier.citationDirani, M., Tong, L., Gazzard, G., Zhang, X., Chia, A., Young, T.L., Rose, K.A., Mitchell, P., Saw, S.-M. (2009-08). Outdoor activity and myopia in Singapore teenage children. British Journal of Ophthalmology 93 (8) : 997-1000. ScholarBank@NUS Repository. https://doi.org/10.1136/bjo.2008.150979
dc.identifier.issn00071161
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/53465
dc.description.abstractAim: To investigate the relationship of outdoor activities and myopia in Singapore teenage children. Methods: Teenage children (1249 participants), examined in the Singapore Cohort study Of Risk factors for Myopia (SCORM), during 2006 were included in analyses. Participants completed questionnaires that quantified total outdoor activity, and underwent an eye examination. Results: The mean total time spent on outdoor activity was 3.24 h/day. The total outdoor activity (h/day) was significantly associated with myopia, odds ratio 0.90 (95% CI 0.84 to 0.96) (p=0.004), after adjusting for age, gender, ethnicity, school type, books read per week, height, parental myopia, parental education and intelligence quotient. In addition, the total time spent outdoors was associated with significantly less myopic refraction (regression coefficient =0.17; CI 0.10 to 0.25, p<0.001) and shorter axial length (regression coefficient -0.06 (CI -0.1 to -0.03, p<0.001). Total sports was also significantly negatively associated with myopia (p=0.008) but not indoor sports (p=0.16). Conclusions: Participants who spent more time outdoors were less likely to be myopic. Thus, outdoor activity may protect against development of myopia in children, supporting recent Australian data. As near work did not predict outdoor activity, this can be viewed as an independent factor and not merely the reciprocal of near work.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1136/bjo.2008.150979
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentDUKE-NUS GRADUATE MEDICAL SCHOOL S'PORE
dc.contributor.departmentEPIDEMIOLOGY & PUBLIC HEALTH
dc.description.doi10.1136/bjo.2008.150979
dc.description.sourcetitleBritish Journal of Ophthalmology
dc.description.volume93
dc.description.issue8
dc.description.page997-1000
dc.description.codenBJOPA
dc.identifier.isiut000268302000004
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