Influence of pupillary diameter, ciliary muscle tone, and ambient light on nerve fiber layer measurements with scanning laser polarimetry

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dc.contributor.authorParanhos Junior, Augusto [UNIFESP]
dc.contributor.authorSilvestre, Ana Maria [UNIFESP]
dc.contributor.authorPasserotti, Carlo C. [UNIFESP]
dc.contributor.authorMartins, Elizabeth M. R. [UNIFESP]
dc.contributor.authorMello, Paulo Augusto de Arruda [UNIFESP]
dc.contributor.authorPrata Junior, João Antonio [UNIFESP]
dc.contributor.authorShields, M. B
dc.contributor.institutionUniversidade Federal de São Paulo (UNIFESP)
dc.contributor.institutionYale Univ
dc.date.accessioned2016-01-24T12:37:44Z
dc.date.available2016-01-24T12:37:44Z
dc.date.issued2005-04-01
dc.description.abstractPurpose: To evaluate the influence of the pupillary diameter, ciliary muscle tone, and room light on nerve fiber layer measurements with the scanning laser polarimeter (GDx).Methods: One randomly selected eye of ten normal volunteers was examined with the GDx in a two-day protocol under eight testing conditions (pilocarpine 1%, phenylephrine 10%, tropicamide 1%, or no drops with room lights on or off). the twelve parameters, obtained by the GDx, were compared under the eight testing conditions, using two way ANOVA for repeated measurements and Tukey HSD post hoc test.Results: Ten of the twelve parameters were statistically significantly different (P < 0.05) when measured under the three medication or no medication conditions, controlling for the ambient light status. There were no significant differences when measured with the light on or off, controlling for use of drops.Conclusions: Nerve fiber layer measurements with the GDx were influenced by drugs affecting pupillary diameter, but not by the status of room light or ciliary muscle tone.en
dc.description.affiliationUniversidade Federal de São Paulo, Dept Ophthalmol, BR-04023062 São Paulo, Brazil
dc.description.affiliationYale Univ, Dept Ophthalmol, New Haven, CT 06520 USA
dc.description.affiliationUnifespUniversidade Federal de São Paulo, Dept Ophthalmol, BR-04023062 São Paulo, Brazil
dc.description.sourceWeb of Science
dc.format.extent124-127
dc.identifierhttp://dx.doi.org/10.1097/01.ijg.0000153406.03805.e3
dc.identifier.citationJournal of Glaucoma. Philadelphia: Lippincott Williams & Wilkins, v. 14, n. 2, p. 124-127, 2005.
dc.identifier.doi10.1097/01.ijg.0000153406.03805.e3
dc.identifier.issn1057-0829
dc.identifier.urihttp://repositorio.unifesp.br/handle/11600/28201
dc.identifier.wosWOS:000227730900007
dc.language.isoeng
dc.publisherLippincott Williams & Wilkins
dc.relation.ispartofJournal of Glaucoma
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectGDxen
dc.subjectglaucomaen
dc.subjectpapillary diameteren
dc.subjectpolarimetryen
dc.titleInfluence of pupillary diameter, ciliary muscle tone, and ambient light on nerve fiber layer measurements with scanning laser polarimetryen
dc.typeinfo:eu-repo/semantics/article
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