Comparative Study to Evaluate the Cosmetic Appearance of Two Brands (Coopervision (CVI) vs. Competitor)of Color Soft Contact Lenses
Each lens pair comparison will require two visits over two days, as follows: Visits: V1 (lens dispensing), V2 (20 minutes post lens settling). Each subject will be randomized to wear the test and control lenses in a series of four short fitting comparisons.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
OTHER
Masking
DOUBLE
Enrollment
41
Optometry Clinic, National Autonomous University
Mexico City, Mexico
Cosmetic Appearance Preference
Participant's subjective preference for cosmetic appearance. 3 point Likert Scale. 1=prefer CVI-test lens 2=prefer Competitor-control lens, 3=no preference
Time frame: 20 minutes
Comfort
Participant's subjective rating for comfort. (Scale 0-10, 0=poor, 10=excellent).
Time frame: Baseline
Comfort
Participant's subjective rating for comfort. (Scale 0-10, 0=poor, 10=excellent).
Time frame: 20 minutes
Comfort Preference
Participant's subjective preference for comfort on a 3 point Likert Scale. 1=prefer CVI-test lens, 2=prefer Competitor-control lens, 3=no preference
Time frame: Baseline
Comfort Preference
Participant's subjective preference for comfort on a 3 point Likert Scale. 1=prefer CVI-test lens, 2=prefer Competitor-control lens, 3=no preference
Time frame: 20 minutes
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