Development of a vision-targeted health-related quality of life item measure.

ABSTRACT:

Purpose

To develop a vision-targeted health-related quality of life (HRQOL) measure for the NIH Toolbox for the Assessment of Neurological and Behavioral Function.

Methods

We conducted a review of existing vision-targeted HRQOL surveys and identified color vision, low luminance vision, distance vision, general vision, near vision, ocular symptoms, psychosocial well-being, and role performance domains. Items in existing survey instruments were sorted into these domains. We selected non-redundant items and revised them to improve clarity and to limit the number of different response options. We conducted 10 cognitive interviews to evaluate the items. Finally, we revised the items and administered them to 819 individuals to calibrate the items and estimate the measure's reliabi

SUBMITTER: Paz SH 

PROVIDER: S-EPMC3722299 | biostudies-literature | 2013 Nov

REPOSITORIES: biostudies-literature