The impact of variable tint optics (Transitions Gray) on vision-related quality of life in normal volunteers: a randomized clinical comparison in a warm climate

A randomized crossover comparison of Transitions Gray variable tint optics (VTO) vs clear and fixed-tint lenses was undertaken to evaluate the impact of VTO on vision-related quality of life (VRQOL) in a warm climate. Fifty-nine patients were randomized to one of four lens crossover groups: Transiti...

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Bibliographic Details
Published inThe CLAO journal Vol. 26; no. 4; p. 225
Main Authors Pusateri, T J, Lavin, P T, Baldy, C J, Copeland, K A, Sequiti, M
Format Journal Article
LanguageEnglish
Published United States 01.10.2000
Subjects
Adolescent
Climate
Color - standards
Cross-Over Studies
Eye Diseases - prevention & control
Eyeglasses - standards
Female
Humans
Male
Patient Satisfaction
Quality of Life
Reproducibility of Results
Surveys and Questionnaires
Temperature
Visual Acuity
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Summary:A randomized crossover comparison of Transitions Gray variable tint optics (VTO) vs clear and fixed-tint lenses was undertaken to evaluate the impact of VTO on vision-related quality of life (VRQOL) in a warm climate. Fifty-nine patients were randomized to one of four lens crossover groups: Transitions-->clear; clear-->Transitions; Transitions-->fixed-tint; fixed-tint-->Transitions. Each lens was worn for 30 days. VRQOL was measured using a newly developed and validated questionnaire instrument-the Transitions VRQOL. Changes in visual acuity were assessed by functional exam. Overall, Transitions was associated with the greatest improvement in VRQOL relative to clear and fixed-tint lenses without compromise in acuity. Transitions proved statistically superior to clear lenses, most notably in vision comfort both indoors and outdoors. Seventy percent of all patients selected Transitions as their primary lens at the end of the study. Transitions brand VTO offer patients significant and clinically meaningful improvements in VRQOL superior to clear lenses. VRQOL assessments provide clinicians with valuable information above and beyond visual acuity to help optimize lens product selection and enhance patient satisfaction.
ISSN:0733-8902