Exploratory and confirmatory factor analysis of the Persian version of the low-vision quality-of-life questionnaire

Most of the vision quality assessment questionnaires are in English. None low-vision-related quality-of-life have been translated or developed Persian. It will help Persian optometrists and ophthalmologists to assess improvement visual function life during their low-vision rehabilitation programs. In this study, we aimed translate (LVQOL) questionnaire language apply exploratory factor analysis (EFA) confirmatory (CFA) construct validity fit model. Translation cultural adjustment English LVQOL was undertaken. Overall, 100 patients were participated validate model by both EFA CFA methods. Complementary results provide detailed information about item scale performance LVQOL. showed Items 15, 16, 21 which had loadings lower than 0.3. The modified comparative index (CFI) root mean square error approximation (RMSEA) 0.89 0.06, respectively. translation, adjustment, into successful it be valuable clinical practice research.