Purpose To create a psychometrically validated patient-reported outcome measure for
inherited retinal degenerations. Design Qualitative and quantitative patient-reported …

Purpose Mokken scale analysis (MSA) is an attractive scaling procedure for ordinal data.
MSA is frequently used in health-related quality of life research. Two of MSA's prime features …

Objective We sought to construct and validate a patient-reported outcome measure for
screening and monitoring vision-related anxiety in patients with inherited retinal …

Introduction: Children with early brain damage or dysfunction are at risk of developing
cerebral visual impairment (CVI), including visual processing dysfunctions (VPD), which …

Purpose This study examined whether the 12-item self-administered World Health
Organization Disability Assessment Schedule (WHODAS) 2.0 demonstrated measurement …

Introduction While the research on improving individual health literacy by promoting
individual skills and abilities is increasing, less attention has been paid to the complexities of …

Background An increasing number of children are suffering from brain damage-related
visual processing dysfunctions (VPD). There is currently a lack of evidence-based …

Purpose: Children with visual impairment often experience more difficulties regarding
participation compared to sighted peers. The Participation and Activity Inventory for Children …

Background To assess participation of children with visual impairment, the Participation and
Activity Inventory for Children and Youth (PAI-CY) was recently developed. This study …

Background: Despite the growing research on environment-physical activity (PA)
relationships, field experimental studies are limited. Such studies offer opportunities to focus …