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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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