Validity of the French version of Catquest-9SF and use of an electronic notepad for entering patient-reported outcome measures
Background: The Catquest-9SF questionnaire is a patient reported outcome measure that quantifies the visual benefits from cataract surgery. The purpose of this study was to translate and adapt the Catquest-9SF questionnaire for France, to assess its psychometric properties via Rasch analysis, and to assess its validity when completed using an electronic notepad. Methods: The Catquest-9SF questionn