Vision rehabilitation aims to improve daily functioning in patients with chronic disabling
vision impairments–low vision–by providing vision assistive equipment and teaching …

Background. This study presents and tests a method of measuring vision disabilities. Based
on the model presented in the first paper of this series, cognitive and motor activities (“tasks”) …

Purpose. To assess the relative importance of several measurement facets including
respondent (patient or clinicians), item (functional domains), and administration (pre-and …

The quantification of vision impairments dates to the mid-nineteenth century with
standardization of visual acuity and visual field measures in the eye clinic. Attempts to …

Comparative effectiveness research in rehabilitation medicine requires the development
and validation of clinically meaningful and scientifically rigorous measurements of patient …

Purpose: To provide calibrated item measures and rating category thresholds for the Activity
Inventory (AI), an adaptive visual function questionnaire, from difficulty ratings obtained from …

This article defines some of the conceptual and methodological issues in creating outcome
measures in vision rehabilitation. It proposes a model to describe rehabilitation outcomes in …

AS EARLY AS THE FOURTH CENTURY BC, THE IMPOR-tance of the concept of quality of
life (QoL) has been debated by philosophers including Socrates, Aristotle, and Royce. The …

Regardless of name, they serve the same basic functions-to define with clarity the desired
goals and outcomes; to help to guide collaborative, transdisciplinary practices; to coordinate …

Purpose Preference-based health measures value how people feel about the desirability of
a health state. Generic measures may not effectively capture the impact of vision loss from …