Development of a new Rasch-based scoring algorithm for the National Eye Institute Visual Functioning Questionnaire to improve its interpretability
نویسندگان
چکیده
منابع مشابه
Development of a new Rasch-based scoring algorithm for the National Eye Institute Visual Functioning Questionnaire to improve its interpretability
BACKGROUND The NEI VFQ-25 has undergone psychometric evaluation in patients with varying ocular conditions and the general population. However, important limitations which may affect the interpretation of clinical trial results have been previously identified, such as concerns with reliability and validity. The purpose of this study was to evaluate the National Eye Institute Visual Functioning ...
متن کاملpersian version of the 25-item national eye institute visual functioning questionnaire (nei-vfq 39): a validation study
purpose : this study was performed in order to characterize the psychometric properties of the national eye institute visual functioning questionnaire in iranians. methods : after forward and backward translation, examination of the translation quality and a pilot test, 80 patients with various chronic ophthalmic diseases and 30 healthy individuals completed the questionnaire. internal consiste...
متن کاملNational Eye Institute Visual Function Questionnaire or Indian Vision Function Questionnaire for visually impaired: a conundrum.
PURPOSE Both the long form visual functioning scale (LFVFS(39)) and visual functioning scale (VFS) are measures of visual functioning (VF) that represent the Rasch-scaled versions of the NEI-VFQ(39) and the Indian vision function questionnaire (IND-VFQ), respectively. The objectives of this study were to investigate if the 15-item LFVFS(39) and 13-item VFS of the IND-VFQ meet the assumptions of...
متن کاملDevelopment of the 25-item National Eye Institute Visual Function Questionnaire.
OBJECTIVE To develop and test the psychometric properties of a 25-item version of the National Eye Institute Visual Function Questionnaire (NEI VFQ-25). DESIGN Prospective observational cohort study of persons with 1 of 5 chronic eye diseases or low vision who were scheduled for nonurgent visits in ophthalmology practices and a reference sample of persons without eye disease. SETTING Eleven...
متن کاملPersian Version of the 25-item National Eye Institute Visual Functioning Questionnaire (NEI-VFQ 39): A Validation Study
Purpose: This study was performed in order to characterize the psychometric properties of the National Eye Institute visual functioning questionnaire in Iranians. Methods: After forward and backward translation, examination of the translation quality and a pilot test, 80 patients with various chronic ophthalmic diseases and 30 healthy individuals completed the questionnaire. Internal consistenc...
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ژورنال
عنوان ژورنال: Health and Quality of Life Outcomes
سال: 2017
ISSN: 1477-7525
DOI: 10.1186/s12955-017-0726-5