Prevalence and causes of visual impairment and blindness in adults aged 45 years and older from parintins: the brazilian amazon region eye survey

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dc.creatorJoão M.furtado
dc.creatorMarcela Cypel
dc.creatorMárcia h. Mitsuhiro
dc.creatorPaulo h. Morales
dc.creatorMarcos j. Cohen
dc.creatorMauro Campos
dc.creatorJacob m. Cohen
dc.creatorRubens Belfort
dc.creatorSolange r. Salomão
dc.creatorAdriana Berezovsky
dc.creatorNívea n. Ferraz
dc.creatorSergio Muñoz
dc.creatorArthur g. Fernandes
dc.creatorSung s. Watanabe
dc.creatorCristina c. Cunha
dc.creatorGalton Carvalho Vasconcelos
dc.creatorPaula y. Sacai
dc.date.accessioned2023-07-28T21:34:35Z
dc.date.accessioned2025-09-09T00:45:44Z
dc.date.available2023-07-28T21:34:35Z
dc.date.issued2019-05-21
dc.format.mimetypepdf
dc.identifier.doihttps://doi.org/10.1080/09286586.2019.1624783
dc.identifier.issn09286586
dc.identifier.urihttps://hdl.handle.net/1843/57179
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofOphthalmic Epidemiology
dc.rightsAcesso Restrito
dc.subjectTranstornos da Visão
dc.subjectDeficiência Visual
dc.subjectCegueira
dc.subjectPrevalência
dc.subjectCatatara
dc.subjectErros de Refração
dc.subject.otherVisual impairment
dc.subject.otherlindness
dc.subject.otherPrevalence
dc.subject.otherCataract
dc.subject.otherRefractive error
dc.subject.otherRefractive error
dc.titlePrevalence and causes of visual impairment and blindness in adults aged 45 years and older from parintins: the brazilian amazon region eye survey
dc.typeArtigo de periódico
local.citation.epage10
local.citation.spage1
local.citation.volume27
local.description.resumoPurpose: To determine the prevalence and causes of visual impairment and blindness in adults aged 45 years and older from Parintins, Brazilian Amazon Region.Methods: A random cluster sampling method was used to identify subjects 45 years of age and older from urban and rural census sectors of Parintins city, Amazonas State, from March 2014 to May 2015. Participants underwent a detailed ocular examination, including presenting (PVA) and best corrected visual acuity (BCVA). The main cause of PVA<20/32 per eye was determined.Results: A total of 2384 subjects were enumerated and 2041 (85.6%) examined. The prevalence of presenting mild visual impairment – MiVI (<20/32 – ≥20/63) in the better-seeing eye was 17.0% [95% CI: 15.3–18.7%], and 8.5% [95% CI: 7.3–9.7%] with best correction. The prevalence of presenting moderate visual impairment – MVI (<20/63 – ≥20/200) was 18.4% [95% CI: 16.2–20.6%], and 6.9% [95% CI: 5.8–8.0%] with best correction. The prevalence of presenting bilateral VA <20/200 was 4.3% [95% CI: 3.6–5.0%], and 3.3% [95% CI: 2.5–4.0%] with best correction and increased with older age. Cataract (47.8%) and glaucoma (7.5%) were its main causes. In less severely affected eyes,uncorrected refractive errors (MVI: 42.6%; MiVI: 79.0%), cataract (MVI: 40.6%; MiVI: 13.7%) and pterygium (MVI: 7.6%; MiVI: 2.7%) were the main causes.Conclusions: Most cases of visual impairment in Parintins are either preventable or treatable, and public health initiatives should target cataract surgical services and refraction with spectacle provision.
local.identifier.orcid0000-0002-4401-1137
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://www.tandfonline.com/doi/full/10.1080/09286586.2019.1624783

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