Alcon Investigative Site
Jena, Germany
NCT Number: NCT02089191
The purpose of this study is to evaluate tear film stability of DAILIES® AquaComfort Plus® (DACP) compared to MyDay® after 12 hours of lens wear.
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Notify Me18 year–44 year
All sexes
Interventional
Not applicable
Jena, Germany
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
Other names: DAILIES® AquaComfort Plus®, DACP
Other names: MyDay®
Time frame: Day 1, Hour 12, each period
The participant blinked twice, then kept eye open. Circular images were projected onto tear film layer located on the surface of the contact lens. Measuring software automatically detected areas where the tear film destabilized after the blink. The time to 15% destabilization of the tear film was calculated. A longer time indicates a more stable tear film. The right eye was evaluated.
Time frame: Hour 12
The participant blinked twice, then kept eye open. Circular images were projected onto tear film layer located on the surface of the contact lens. Measuring software automatically detected areas where the tear film destabilized after the blink. The slope of the regression line (distorted areas vs. time) was calculated. A slower speed (higher number) indicates a more stable tear film. The right eye was evaluated.
Alcon Research
Industry
Comparison of Pre-Lens Tear Film Stability With Daily Disposable Contact Lenses Using Ring Mire Projection
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