The purpose of this study is to compare the clinical performance of three silicone hydrogel contact lenses over a 2 week period.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
540
galyfilcon A, BC 8.30 soft contact lens
lotrafilcon B, BC 8.60 soft contact lens
comfilcon A, BC 8.60 soft contact lens
Overall Subjective Comfort
Contact Lens User Experience (CLUE)TM questionnaire: A validated patient-reported outcomes questionnaire to assess patient-experience attributes of soft, disposable contact lenses (comfort, vision, handling, and packaging) in a contact-lens wearing population in the US, ages 18-65. Scores follow a normal distribution with a population average score of 60 (SD 20), where higher scores indicate a more favorable/positive response.
Time frame: after 2 weeks of contact lens wear
Corneal Staining
Investigator evaluated corneal staining. Percent of eyes with corneal staining presence or absence is evaluated.
Time frame: after 2 weeks of contact lens wear
Overall Subjective Lens Handling
Contact Lens User Experience (CLUE)TM questionnaire: A validated patient-reported outcomes questionnaire to assess patient-experience attributes of soft, disposable contact lenses (comfort, vision, handling, and packaging) in a contact-lens wearing population in the US, ages 18-65. Scores follow a normal distribution with a population average score of 60 (SD 20), where higher scores indicate a more favorable/positive response with a range of 0 to 120. Only galyficlon A and comfilcon A were evaluated.
Time frame: after 2 weeks of contact lens wear
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Brea, California, United States
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Campbell, California, United States
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Cupertino, California, United States
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Mission Viejo, California, United States
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Colorado Springs, Colorado, United States
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Bridgeport, Connecticut, United States
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Aventura, Florida, United States
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Jacksonville, Florida, United States
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Tallahassee, Florida, United States
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Tampa, Florida, United States
...and 25 more locations