Psychometric evaluation and derivation of the Kannada version of the modified (29-item model) Indian Vision Function Assessment Questionnaire.

ABSTRACT:

Background/aims

India's linguistic and cultural diversity necessitates a region-specific validated Visual Functioning Questionnaire. The objective of this study was to translate the Indian Vision Function Questionnaire-33 (IND-VFQ-33) into the Kannada language and test its psychometric properties, underlying factor structure, and model fit.

Methods

A cross-sectional study was conducted among 330 participants, and basic psychometric properties (reliability, convergent, discriminant, construct validity, responsiveness, etc.) were assessed. The underlying factor structure was evaluated by exploratory factor analysis (EFA) and model fit by confirmatory factor analysis (CFA).

Results

The Kannada version of IND-VFQ-33 exhibited robust psychometric properties [excellent cont

SUBMITTER: Kaup S 

PROVIDER: S-EPMC7617351 | biostudies-literature | 2025 Mar

REPOSITORIES: biostudies-literature