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Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3

Astigmatism Clinical Trial

Official title:
Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3

Clinical Trial Summary

It is a common clinical practice to leave small amounts of astigmatism uncorrected in contact lens wearers. Therefore, some drivers who have astigmatism and wear contact lenses may experience blur while driving. The purpose of this study is to determine if correcting small amounts of astigmatism with contact lenses will improve driving safety.

Clinical Trial Description

The purpose of this randomized control trial is to compare visual performance and simulated driving performance of adults with astigmatism when wearing 1*DAY ACUVUE® MOIST for ASTIGMATISM (toric), 1*DAY ACUVUE® MOIST (spherical control), and 1*DAY ACUVUE® MOIST (placebo) contact lenses. Adult subjects with nearsightedness and astigmatism will wear three types of soft contact lenses (placebo, spherical and toric in randomized order). Each subject will read letters on standard eye charts and complete vision and driving tests in a driving simulator. Subjects will repeat these tests with each lens type. Analyses will include an ANOVA to look for a main effect of lens condition, and separate contrasts to compare toric vs. spherical, toric vs. placebo, and spherical vs. placebo lenses. Investigating the lenses under simulated driving conditions, which involve eye movement demands, will lend insight into the potential advantages of toric over spherical contact lenses for driving safety. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02950545
Study type Interventional
Source University of Virginia
Contact
Status Completed
Phase N/A
Start date April 2016
Completion date February 1, 2017
View Details
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