Fear of falling and postural reactivity in patients with glaucoma

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dc.citation.issue12
dc.citation.volume12
dc.contributor.authorDaga, Fablo B. [UNIFESP]
dc.contributor.authorDiniz-Filho, Alberto
dc.contributor.authorBoer, Erwin R.
dc.contributor.authorGracitelli, Carolina P. B. [UNIFESP]
dc.contributor.authorAbe, Ricardo Y.
dc.contributor.authorMedeiros, Felipe A.
dc.coverageSan Francisco
dc.date.accessioned2020-07-02T18:52:20Z
dc.date.available2020-07-02T18:52:20Z
dc.date.issued2017
dc.description.abstractPurpose To investigate the relationship between postural metrics obtained by dynamic visual stimulation in a virtual reality environment and the presence of fear of falling in glaucoma patients. Methods This cross-sectional study included 35 glaucoma patients and 26 controls that underwent evaluation of postural balance by a force platform during presentation of static and dynamic visual stimuli with head-mounted goggles (Oculus Rift). In dynamic condition, a peripheral translational stimulus was used to induce vection and assess postural reactivity. Standard deviations of torque moments (SDTM) were calculated as indicative of postural stability. Fear of falling was assessed by a standardized questionnaire. The relationship between a summary score of fear of falling and postural metrics was investigated using linear regression models, adjusting for potentially confounding factors. Results Subjects with glaucoma reported greater fear of falling compared to controls (-0.21 vs. 0.27en
dc.description.abstractP = 0.039). In glaucoma patients, postural metrics during dynamic visual stimulus were more associated with fear of falling (R-2 = 18.8%en
dc.description.abstractP = 0.001) than static (R-2 = 3.0%en
dc.description.abstractP = 0.005) and dark field (R-2 = 5.7%en
dc.description.abstractP = 0.007) conditions. In the univariable model, fear of falling was not significantly associated with binocular standard perimetry mean sensitivity (P = 0.855). In the multivariable model, each 1 Nm larger SDTM in anteroposterior direction during dynamic stimulus was associated with a worsening of 0.42 units in the fear of falling questionnaire score (P = 0.001). Conclusion In glaucoma patients, postural reactivity to a dynamic visual stimulus using a virtual reality environment was more strongly associated with fear of falling than visual field testing and traditional balance assessment.en
dc.description.affiliationDuke Univ, Duke Eye Ctr, Durham, NC 27708 USA
dc.description.affiliationDuke Univ, Dept Ophthalmol, Durham, NC 27708 USA
dc.description.affiliationUniv Fed Sao Paulo, Dept Ophthalmol & Vis Sci, Sao Paulo, Brazil
dc.description.affiliationUniv Calif San Diego, Dept Ophthalmol, La Jolla, CA 92093 USA
dc.description.affiliationUnifespUniv Fed Sao Paulo, Dept Ophthalmol & Vis Sci, Sao Paulo, Brazil
dc.description.sourceWeb of Science
dc.description.sponsorshipNational Institutes of Health/National Eye Institute [EY021818]
dc.description.sponsorshipBrazilian National Council for Scientific and Technological Development (CNPq) [233829/2014-8]
dc.description.sponsorshipAlcon Laboratories (Fort Worth, TX)
dc.description.sponsorshipBausch & Lomb (Garden City, NY)
dc.description.sponsorshipCarl Zeiss Meditec (Jena, Germany)
dc.description.sponsorshipHeidelberg Engineering (Heidelberg, Germany)
dc.description.sponsorshipMerck (White House Station, NJ)
dc.description.sponsorshipAllergan (Irvine, CA)
dc.description.sponsorshipSensimed (Lausanne, Switzerland)
dc.description.sponsorshipTopcon (Livermore, CA)
dc.description.sponsorshipReichert (Dewey, NY)
dc.description.sponsorshipNational Eye Institute (Bethesda, MD)
dc.description.sponsorshipNovartis (Basel, Switzerland)
dc.description.sponsorshipnGoggle (San Diego, CA)
dc.description.sponsorshipIDCNPq [233829/2014-8]
dc.format.extent-
dc.identifierhttp://dx.doi.org/10.1371/journal.pone.0187220
dc.identifier.citationPlos One. San Francisco, v. 12, n. 12, p. -, 2017.
dc.identifier.doi10.1371/journal.pone.0187220
dc.identifier.fileWOS000417212200013.pdf
dc.identifier.issn1932-6203
dc.identifier.urihttps://repositorio.unifesp.br/handle/11600/54006
dc.identifier.wosWOS:000417212200013
dc.language.isoeng
dc.publisherPublic Library Science
dc.relation.ispartofPlos One
dc.rightsinfo:eu-repo/semantics/openAccess
dc.titleFear of falling and postural reactivity in patients with glaucomaen
dc.typeinfo:eu-repo/semantics/article
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