Cross-validation of the Turkish version of the 25-item National Eye Institute Visual Functioning Questionnaire (NEI-VFQ 25)

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dc.contributor.authorToprak A.B.
dc.contributor.authorEser E.
dc.contributor.authorGuler C.
dc.contributor.authorBaser F.E.
dc.contributor.authorMayali H.
dc.date.accessioned2024-07-22T08:23:54Z
dc.date.available2024-07-22T08:23:54Z
dc.date.issued2005
dc.description.abstractPurpose: To test the validity and reliability of the Turkish version of the self-administered form of the National Eye Institute Visual Functioning Questionnaire (NEI-VFQ 25). Methods: Patients with no limitations to respond to a health status interview and affected by a chronic eye disease were enrolled. The Turkish versions of the abbreviated form of World Health Organization Quality of Life (WHOQOL-BREF) and the NEI-VFQ 25 instruments were administered to all participants. Results: The mean (SD) age of the participants was 60.9 (14.5) years. There were 61 patients with one of the following conditions: Cataract (57.4%), diabetic retinopathy (13.2%), age related macular degeneration (ARMD) (11.4%), glaucoma (9.8%) and degenerative myopia (8.2%). The Cronbach alpha of the overall scale was 0.97; the Cronbach alpha ranged from 0.94 to 0.78 for the subscales. The physical, psychological, environmental and social domains of the WHOQOL-BREF had fair to good correlations with the NEI-VFO 25 (r = 0.68 to r = 0.26), which indicated a sufficient convergent validity. Patients with lower visual acuity (VA) had lower index scores than those with higher VA (p = 0.001), which showed a sufficient responsiveness. Conclusion: Statistical analysis showed that Turkish version of the NEI-VFQ is a valid and reliable instrument to measure vision-related quality of life in patients with chronic eye diseases. Copyright © Taylor & Francis Inc.
dc.identifier.DOI-ID10.1080/09286580590967763
dc.identifier.issn17445086
dc.identifier.urihttp://akademikarsiv.cbu.edu.tr:4000/handle/123456789/19749
dc.language.isoEnglish
dc.subjectCross-Cultural Comparison
dc.subjectCross-Sectional Studies
dc.subjectEye Diseases
dc.subjectFemale
dc.subjectHealth Surveys
dc.subjectHumans
dc.subjectLanguage
dc.subjectMale
dc.subjectMiddle Aged
dc.subjectNational Institutes of Health (U.S.)
dc.subjectOphthalmology
dc.subjectQuality of Life
dc.subjectQuestionnaires
dc.subjectReproducibility of Results
dc.subjectSickness Impact Profile
dc.subjectTurkey
dc.subjectUnited States
dc.subjectVision Tests
dc.subjectVisual Acuity
dc.subjectadult
dc.subjectaged
dc.subjectarticle
dc.subjectcataract
dc.subjectcontrolled study
dc.subjectdiabetic retinopathy
dc.subjecteye disease
dc.subjectfemale
dc.subjectglaucoma
dc.subjecthealth status
dc.subjecthuman
dc.subjectinstitutional care
dc.subjectinterview
dc.subjectmajor clinical study
dc.subjectmale
dc.subjectmyopia
dc.subjectpriority journal
dc.subjectquality of life
dc.subjectquestionnaire
dc.subjectreliability
dc.subjectretina macula degeneration
dc.subjectscoring system
dc.subjectsocial aspect
dc.subjectTurkey (republic)
dc.subjectvalidation process
dc.subjectvision
dc.subjectvisual acuity
dc.subjectworld health organization
dc.subjectcross-sectional study
dc.subjectcultural factor
dc.subjecteye disease
dc.subjecthealth care organization
dc.subjecthealth survey
dc.subjectinstrumentation
dc.subjectlanguage
dc.subjectmethodology
dc.subjectmiddle aged
dc.subjectophthalmology
dc.subjectpathophysiology
dc.subjectphysiology
dc.subjectquality of life
dc.subjectquestionnaire
dc.subjectreproducibility
dc.subjectSickness Impact Profile
dc.subjectUnited States
dc.subjectvalidation study
dc.subjectvision test
dc.subjectvisual acuity
dc.titleCross-validation of the Turkish version of the 25-item National Eye Institute Visual Functioning Questionnaire (NEI-VFQ 25)
dc.typeArticle

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