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https://hdl.handle.net/2440/50948
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dc.contributor.author | Schellini, S. | - |
dc.contributor.author | Durkin, S. | - |
dc.contributor.author | Hoyama, E. | - |
dc.contributor.author | Hirai, F. | - |
dc.contributor.author | Cordeiro, R. | - |
dc.contributor.author | Casson, R. | - |
dc.contributor.author | Selva, D. | - |
dc.contributor.author | Padovani, C. | - |
dc.date.issued | 2009 | - |
dc.identifier.citation | Ophthalmic Epidemiology, 2009; 16(2):90-97 | - |
dc.identifier.issn | 0928-6586 | - |
dc.identifier.issn | 1744-5086 | - |
dc.identifier.uri | http://hdl.handle.net/2440/50948 | - |
dc.description.abstract | PURPOSE: To determine the prevalence and demographic associations of refractive error in Botucatu, Brazil. METHODS: A population-based, cross-sectional prevalence study was conducted, which involved random, household cluster sampling of an urban Brazilian population in Botucatu. There were 3000 individuals aged 1 to 91 years (mean 38.3) who were eligible to participate in the study. Refractive error measurements were obtained by objective refraction. RESULTS: Objective refractive error examinations were performed on 2454 residents within this sample (81.8% of eligible participants). The mean age was 38 years (standard deviation (SD) 20.8 years, Range 1 to 91) and females comprised 57.5% of the study population. Myopia (spherical equivalent (SE) < -0.5 dropters (D)) was most prevalent among those aged 30-39 years (29.7%; 95% confidence interval (CI) 24.8-35.1) and least prevalent among children under 10 years (3.8%; 95% confidence interval (CI) 1.6-7.3). Conversely hypermetropia (SE > 0.5D) was most prevalent among participants under 10 years (86.9%; 95% CI 81.6-91.1) and least prevalent in the fourth decade (32.5%; 95% CI 28.2-37.0). Participants aged 70 years or older bore the largest burden of astigmatism (cylinder at least -0.5D) and anisometropia (difference in SE of > 0.5D) with a prevalence of 71.7% (95% CI 64.8-78.0) 55.0% (95% CI 47.6-62.2) respectively. Myopia and hypermetropia were significantly associated with age in a bimodal manner (P < 0.001), whereas anisometropia and astigmatism increased in line with age (P < 0.001). Multivariate modeling confirmed age-related risk factors for refractive error and revealed several gender, occupation and ethnic-related risk factors. CONCLUSIONS: These results represent previously unreported data on refractive error within this Brazilian population. They signal a need to continue to screen for refractive error within this population and to ensure that people have adequate access to optical correction. | - |
dc.description.statementofresponsibility | Silvana Artioli Schellini, Shane R. Durkin, Erika Hoyama, Flavio Hirai, Ricardo Cordeiro, Robert J. Casson, Dinesh Selva, Carlos Roberto Padovani | - |
dc.language.iso | en | - |
dc.publisher | Informa Healthcare | - |
dc.rights | Copyright © 2009 Informa Healthcare USA, Inc. | - |
dc.source.uri | http://dx.doi.org/10.1080/09286580902737524 | - |
dc.subject | Humans | - |
dc.subject | Vision Disorders | - |
dc.subject | Refractive Errors | - |
dc.subject | Refraction, Ocular | - |
dc.subject | Prevalence | - |
dc.subject | Cluster Analysis | - |
dc.subject | Cross-Sectional Studies | - |
dc.subject | Age Distribution | - |
dc.subject | Sex Distribution | - |
dc.subject | Visual Acuity | - |
dc.subject | Adolescent | - |
dc.subject | Adult | - |
dc.subject | Aged | - |
dc.subject | Aged, 80 and over | - |
dc.subject | Middle Aged | - |
dc.subject | Child | - |
dc.subject | Child, Preschool | - |
dc.subject | Infant | - |
dc.subject | Visually Impaired Persons | - |
dc.subject | Urban Population | - |
dc.subject | Brazil | - |
dc.subject | Young Adult | - |
dc.title | Prevalence of refractive errors in a Brazilian population: the Botucatu Eye Study | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1080/09286580902737524 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Casson, R. [0000-0003-2822-4076] | - |
dc.identifier.orcid | Selva, D. [0000-0002-2169-5417] | - |
Appears in Collections: | Aurora harvest 7 Medicine publications |
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