The purpose of this study is to evaluate the rotational behavior of DT1 Toric contact lenses.
This is a single visit, non-dispense study where subjects will be exposed to the test and control lenses for approximately 1 hour each.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
DEVICE_FEASIBILITY
Masking
SINGLE
Enrollment
48
Delefilcon A contact lenses for the optical correction of astigmatism in people with healthy eyes with or without refractive ametropia (myopia or hyperopia)
Senofilcon A contact lenses for the optical correction of astigmatism in people with healthy eyes with or without refractive ametropia (myopia or hyperopia)
Alcon Investigative Site CT-11
Maitland, Florida, United States
Alcon Investigative Site CT-27
Eden Prairie, Minnesota, United States
Percent of DT1 toric lenses with axis orientation within ±30° from the intended axis, 10 min after lens insertion
A slit lamp will be used to observe axis orientation.
Time frame: Day 1, 10 minutes after lens insertion, each product
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