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Validation and Reliability of the Cataract-related Visual Function Questionnaire (CVFQ)

Daihan angwa haghoi jabji, 2023-11, Vol.64 (11), p.1030-1040 [Peer Reviewed Journal]

ISSN: 0378-6471 ;EISSN: 2092-9374 ;DOI: 10.3341/jkos.2023.64.11.1030

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  • Title:
    Validation and Reliability of the Cataract-related Visual Function Questionnaire (CVFQ)
  • Author: Koh, Eun Jin ; Lee, Jong Min ; Lim, Dong Hui ; Kang, Danbee ; Cho, Juhee ; Song, Min Kyung ; Chung, In Kwon ; Choi, Hun Jin ; Chang, Ji Woong ; Lee, Jong Hyun ; Chung, Tae Young ; Eom, Young Sub ; Chun, Yeoun Sook ; Chung, So Hyang ; Kim, Eun Chul ; Hyon, Joon Young ; Lee, Do Hyung
  • Is Part Of: Daihan angwa haghoi jabji, 2023-11, Vol.64 (11), p.1030-1040
  • Description: Purpose: To evaluate the reliability and validity of the Cataract-related Visual Function Questionnaire (CVFQ).Methods: A prospective cross-sectional study of 141 cataract patients was conducted from March 2022 to June 2022. The questionnaire was created based on a literature review and advice from an expert panel. This study determined its construct validity, criterion validity, internal consistency, and test-retest reliability.Results: The CVFQ consists of 15 items distributed among five categories: overall visual quality, overall visual function, distance vision, near vision, and glare. In the exploratory factor analysis of validity, the first three principal components explained 77.8% of the variance. The p-values in the Spearman correlation test comparing the pre- and postoperative total CVFQ score and best-corrected visual acuity (BCVA) were 0.006 and 0.004, respectively. In the reliability analysis, Cronbach’s alpha was > 0.9 for internal consistency and the p-values of each subcategory were all significant in the analysis of test-retest reliability.Conclusions: Our results indicate that the CVFQ is useful for measuring the visual quality and visual function of cataract patients in Korea.
  • Language: English
  • Identifier: ISSN: 0378-6471
    EISSN: 2092-9374
    DOI: 10.3341/jkos.2023.64.11.1030
  • Source: KoreaMed Open Access

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