Purpose.: To develop an instrument to measure subjective quality of vision: the Quality of
Vision (QoV) questionnaire. Methods.: A 30-item instrument was designed with 10 symptoms …

The increased attention for quality of life (QOL) as an outcome measure has led to the
development of numerous questionnaires to assess this construct in the field of …

PURPOSE. To investigate the association of a quality of life-visual function questionnaire
with an objective clinical test of visual function. METHODS. We have developed a …

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 …

PURPOSE: To test the assumption that the National Eye Institute Visual Function
Questionnaire (NEI VFQ) measures visual functioning, assess the validity of its subscales …

Objective To investigate the effect of cataract surgery on subjective quality of vision. Methods
The Quality of Vision (QoV) questionnaire (Italian translation) was completed before and 3 …

The psychometric properties of the Refractive Status and Vision Profile (RSVP)
questionnaire were evaluated using Rasch analysis. Ninety-one myopic patients from a …

Optometrists, by definition, care deeply about measurement. This brief review article
considers the essential features of measurement that make many optometric instruments so …

Objective: To develop and evaluate the acceptability, reliability, validity, and responsiveness
of the Indian vision function questionnaire (IND-VFQ). Methods: Problem statements from …

Objectives: To evaluate the relationship of a performance-based measure of visual
functioning to clinical and subjective measures in glaucoma patients. Design: Cross …