Pterygium in adults from the brazilian amazon region: prevalence, visual status and refractive errors

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dc.creatorArthur G.fernandes
dc.creatorPaula Yuri Sacai Munhoz
dc.creatorPaulo h. a. Morales
dc.creatorMarcos j Cohen
dc.creatorJacob Moysés Cohen
dc.creatorSung e s Watanabe
dc.creatorRubens Belfort jr
dc.creatorAdriana Berezovksy
dc.creatorSolange Rios Salomão
dc.creatorNívea n. Cavascan
dc.creatorMárcia Higashi Mitsuhiro
dc.creatorJoão m Furtado
dc.creatorSergio Muñoz
dc.creatorMarcela Cypel
dc.creatorCristina c. Cunha
dc.creatorGalton Carvalho Vasconcelos
dc.date.accessioned2023-07-27T23:48:47Z
dc.date.accessioned2025-09-08T23:54:36Z
dc.date.available2023-07-27T23:48:47Z
dc.date.issued2019-09-18
dc.format.mimetypepdf
dc.identifier.doi10.1136/bjophthalmol-2019-314131
dc.identifier.issn0007-1161
dc.identifier.urihttps://hdl.handle.net/1843/57118
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofBritish Journal of Ophthalmology
dc.rightsAcesso Restrito
dc.subjectPterígio
dc.subjectTranstornos da Visão
dc.subjectBrasil
dc.subject.otherPterygium
dc.subject.otherBrazil
dc.subject.otherVision Disorders
dc.titlePterygium in adults from the brazilian amazon region: prevalence, visual status and refractive errors
dc.typeArtigo de periódico
local.citation.epage763
local.citation.issue104
local.citation.spage757
local.citation.volume1
local.description.resumoAims To determine prevalence of pterygium, its role as main cause of unilateral and bilateral visual impairment and blindness and its impact on refractive errors from adults living in a high ultraviolet exposure area in the Brazilian Amazon Region.Methods Cluster sampling was used in randomly selecting subjects ≥45 years of age from urban and rural areas of Parintins city. Eligible subjects were enumerated through a door- to- door household survey and invited for an eye exam including refraction. Pterygium was assessed considering location (nasal, temporal or both) and size (<3 mm or ≥3 mm reaching or not pupillary margin).Results A total of 2384 persons were enumerated and 2041 (85.6%) were examined. Prevalence of pterygium was 58.8% (95% CI 53.8% to 63.7%) and associated. with male gender (OR=1.63; 95% CI 1.37 to 1.94; p=0.001), while higher education was a protective factor (OR=0.63; 95% CI 0.44 to 0.92; p=0.018). Older age and rural residence were associated with pterygium ≥3 mm reaching or not pupillary margin, while higher education was a protective factor for pterygium ≥3 mm reaching pupillary margin. Prevalence of pterygium as cause of visual impairment and blindness was 14.3% and 3.9%, respectively. Significantly higher hyperopic refractive errors were found in eyes with pterygium ≥3 mm reaching or not pupillary margin. Conclusions Pterygium was highly prevalent and the second cause of visual impairment and blindness after provision of refractive correction. Risk factors for pterygium were male gender, advanced age, lower education and rural residency. Strategies to provide pterygium early detection and proper management should be considered by healthcare authorities in this population
local.identifier.orcid0000-0002-4401-1137
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE OFTALMOLOGIA E OTORRINOLARINGOLOGIA
local.publisher.initialsUFMG
local.url.externahttps://bjo.bmj.com/content/104/6/757

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