Eye refraction in doubly exchanged monozygotic twins

dc.contributor.authorSegal, Nancy L.
dc.contributor.authorMontoya, Yesika S.
dc.contributor.authorPeña, Fernando Yacoov
dc.contributor.authorBurgos, Stephany
dc.contributor.authorKatz, Ximena
dc.contributor.orcidPeña, Fernando Yacoov [0000-0002-4336-8636]
dc.date.accessioned2020-03-25T13:46:59Z
dc.date.available2020-03-25T13:46:59Z
dc.date.issued2019
dc.description.abstractenglishThis case study examined the hypothesis that longer outdoor time results in normal vision and refractive status, using unique genetically informative kinships. The participants were the members of 29-year-old doubly exchanged monozygotic male twin pairs from Bogotá, Colombia, in South America. Comprehensive ophthalmological examinations, including uncorrected and corrected visual acuity, refraction and keratometry, and visual life history interviews were undertaken; all examinations were conducted by two ophthalmologists blind to the hypothesis, relatedness, and rearing status of the four participants. Normal uncorrected vision and refractive status were present in the two rural-raised, unrelated brothers, relative to their urban-raised counterparts. Uncorrected visual acuities were 20/160 and 20/200 for the city-raised twins and 20/20 and 20/30 for the country-raised twins. Premature birth, low birth weight, computer use, and reading time could not explain these differences. It was concluded that time spent outdoors appears to be a significant factor in the development of myopia, reinforcing extant findings via a novel experimental approach.eng
dc.format.mimetypeapplication/pdf
dc.identifier.doihttps://doi.org/10.1017/thg.2019.26
dc.identifier.instnameinstname:Universidad El Bosquespa
dc.identifier.issn1832-4274
dc.identifier.reponamereponame:Repositorio Institucional Universidad El Bosquespa
dc.identifier.repourlrepourl:https://repositorio.unbosque.edu.co
dc.identifier.urihttps://hdl.handle.net/20.500.12495/2109
dc.language.isoeng
dc.publisherCambridge University Pressspa
dc.publisher.journalTwin Research and Human Geneticsspa
dc.relation.ispartofseriesTwin Research and Human Genetics, 1832-4274, Vol 22, Num 3, 2019, pag 177-182spa
dc.relation.urihttps://www.cambridge.org/core/journals/twin-research-and-human-genetics/article/eye-refraction-in-doubly-exchanged-monozygotic-twins/75706976652654478AA575D814E08A46
dc.rights.accessrightsinfo:eu-repo/semantics/openAccess
dc.rights.accessrightshttps://purl.org/coar/access_right/c_abf314
dc.rights.creativecommons2019
dc.rights.localAcceso cerradospa
dc.subject.decsErrores de refracciónspa
dc.subject.decsGemelos monocigóticosspa
dc.subject.decsInformes de casosspa
dc.subject.keywordsMyopiaspa
dc.subject.keywordsPrevention and controlspa
dc.subject.keywordsTwin studyspa
dc.titleEye refraction in doubly exchanged monozygotic twinsspa
dc.title.translatedEye refraction in doubly exchanged monozygotic twins
dc.typearticlespa
dc.type.hasversioninfo:eu-repo/semantics/publishedVersion
dc.type.localartículospa

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