Visual functioning questionnaire: reevaluation of psychometric properties for a group of working-age adult

The Visual Functioning Questionnaire (VFQ-25) is one of the most widely used measures of vision-related quality of life. However, the questionnaire does not meet some psychometric quality criteria. The objectives of this study were first to obtain the factor structure of the VFQ-25, and second, to obtain interval scales by Rasch analysis.

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Published in: Optometry & Vision Science, 2007. Vol. 84, Issue 8, pp. 775-784.

Date: 01/08/2007
Author: Langelaan, M; Nispen, Ruth van [et al.]
Organization: Optometry and vision science
Only for Members: No
Content type: Scientific publications
Tags: adults, mobility, mental health, ophthalmology, quality of life, visually impaired
Categories: Medical & Functions, Mental, Other