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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/57179
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dc.creatorJoão M.furtadopt_BR
dc.creatorMarcela Cypelpt_BR
dc.creatorMárcia h. Mitsuhiropt_BR
dc.creatorPaulo h. Moralespt_BR
dc.creatorMarcos j. Cohenpt_BR
dc.creatorMauro Campospt_BR
dc.creatorJacob m. Cohenpt_BR
dc.creatorRubens Belfortpt_BR
dc.creatorSolange r. Salomãopt_BR
dc.creatorAdriana Berezovskypt_BR
dc.creatorNívea n. Ferrazpt_BR
dc.creatorSergio Muñozpt_BR
dc.creatorArthur g. Fernandespt_BR
dc.creatorSung s. Watanabept_BR
dc.creatorCristina c. Cunhapt_BR
dc.creatorGalton Carvalho Vasconcelospt_BR
dc.creatorPaula y. Sacaipt_BR
dc.date.accessioned2023-07-28T21:34:35Z-
dc.date.available2023-07-28T21:34:35Z-
dc.date.issued2019-05-21-
dc.citation.volume27pt_BR
dc.citation.spage1pt_BR
dc.citation.epage10pt_BR
dc.identifier.doihttps://doi.org/10.1080/09286586.2019.1624783pt_BR
dc.identifier.issn09286586pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/57179-
dc.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.pt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofOphthalmic Epidemiology-
dc.rightsAcesso Restritopt_BR
dc.subjectVisual impairmentpt_BR
dc.subjectlindnesspt_BR
dc.subjectPrevalencept_BR
dc.subjectCataractpt_BR
dc.subjectRefractive errorpt_BR
dc.subjectRefractive errorpt_BR
dc.subject.otherTranstornos da Visãopt_BR
dc.subject.otherDeficiência Visualpt_BR
dc.subject.otherCegueirapt_BR
dc.subject.otherPrevalênciapt_BR
dc.subject.otherCatatarapt_BR
dc.subject.otherErros de Refraçãopt_BR
dc.titlePrevalence and causes of visual impairment and blindness in adults aged 45 years and older from parintins: the brazilian amazon region eye surveypt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.tandfonline.com/doi/full/10.1080/09286586.2019.1624783pt_BR
dc.identifier.orcid0000-0002-4401-1137pt_BR
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