Eye blink in newborn and preschool-age children

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dc.contributor.authorLavezzo, Marcelo M.
dc.contributor.authorSchellini, Silvana Artioli [UNESP]
dc.contributor.authorPadovani, Carlos Roberto [UNESP]
dc.contributor.authorHirai, Flavio Eduardo
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:36:22Z
dc.date.available2014-05-20T13:36:22Z
dc.date.issued2008-05-01
dc.description.abstractPurpose: To investigate the dynamics of ocular eyelid movements in newborn infants and preschool-age children.Methods: Fifty newborn infants and 200 preschool children aged 4-6 years were examined. Images of each child, with his or her eyes in the primary eye position looking at an object placed at the child's height, were recorded with a digital videocamera for 3 mins. Complete and incomplete blink rates, opening, closing and complete blink times were calculated.Results: Newborn infants presented a lower number of incomplete movements than preschool children. The complete blink rate was lower in newborn infants (6.2 blinks/min) than in preschool children (8.0 blinks/minute). Eyelid closing, opening and compete blink times were longer in newborn infants than in preschool children at all observation times.Conclusions: Newborn infants had a different pattern of eyelid movement compared with preschool children. Specific characteristics that are found in this group of children particularly, such as immaturity of the neural system and more resistant tear film, may explain these findings in part.en
dc.description.affiliationUniv Estadual Pauliste, Botucatu Sch Med, Dept Ophthalmol, São Paulo, Brazil
dc.description.affiliationUniv Estadual Pauliste, Biosci Inst, Dept Biostat, São Paulo, Brazil
dc.description.affiliationUnespUNESP
dc.format.extent275-278
dc.identifierhttp://dx.doi.org/10.1111/j.1600-0420.2007.00969.x
dc.identifier.citationActa Ophthalmologica. Oxford: Blackwell Publishing, v. 86, n. 3, p. 275-278, 2008.
dc.identifier.doi10.1111/j.1600-0420.2007.00969.x
dc.identifier.issn1755-375X
dc.identifier.lattes9420249100835492
dc.identifier.urihttp://hdl.handle.net/11449/12529
dc.identifier.wosWOS:000257020600007
dc.language.isoeng
dc.publisherBlackwell Publishing
dc.relation.ispartofActa Ophthalmologica
dc.relation.ispartofjcr3.324
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjecteye blinken
dc.subjectnewbornen
dc.subjectpreschool childrenen
dc.subjecteyelid closing timeen
dc.subjecteyelid opening timeen
dc.subjectdigital imageen
dc.titleEye blink in newborn and preschool-age childrenen
dc.typeArtigo
dcterms.licensehttp://olabout.wiley.com/WileyCDA/Section/id-406071.html
dcterms.rightsHolderBlackwell Publishing
unesp.author.lattes9420249100835492
unesp.author.lattes8727897080522289[3]
unesp.author.orcid0000-0002-7719-9682[3]
unesp.author.orcid0000-0002-8956-224X[1]
unesp.author.orcid0000-0002-6938-1230[2]
unesp.author.orcid0000-0002-5757-4254[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina, Botucatupt

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