Jyoti Khadka|Jinhai Huang|Kaziwe Mollazadegan|Rongrong Gao|Haisi Chen|Sifang Zhang|Qinmei Wang|Konrad Pesudovs
Translation, Cultural Adaptation, and Rasch Analysis of the Visual Function (VF-14) Questionnaire
Wenzhou Medical University|Affiliated Eye Hospital of Wenzhou Medical College|Wenzhou Medical University|S:t Eriks Ögonsjukhus|Karolinska Institutet|Affiliated Eye Hospital of Wenzhou Medical College|Wenzhou Medical University|Wenzhou Medical University|Affiliated Eye Hospital of Wenzhou Medical College|Affiliated Eye Hospital of Wenzhou Medical College|Wenzhou Medical University|Affiliated Eye Hospital of Wenzhou Medical College|Wenzhou Medical University|National Health and Medical Research Council|University of South Australia|Flinders University
translate culturally adapt validate original previously validated shorter versions visual function index vf14 questionnaire chinese populationthe vf14 completed patients cataract analysis carried three phases phase testing whether vf14 valid shorter versionsvf8r vf11r form valid scales chinese settings using rasch analysis phase ii developing completely new chinese versions vf14 phase iii testing whether previously validated shorter versions vf14 could applied chinese population tested assessing agreement new chinese developed phase ii previously validated shorter versions vf14 using blandaltman plotsa total 456 patients median age 70 years range 4092 years females 58 completed chinese translated version vf14 vf14 vf11r demonstrated good rasch based psychometric properties grossly misfitting item removed vf8r formed valid scale without modification scores vf11r chinese shorter version vf11rchin showed good agreement mean difference 018 logits 95 limits agreement 011 047the chinese translated vf14 vf11r vf8r valid could applied assess cataract outcomes chinese settings existing shorter version good agreement new chinese version signifies need develop different version vf14 china