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Sponsored by: |
Vistakon |
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Information provided by: | Vistakon |
ClinicalTrials.gov Identifier: | NCT00639379 |
The purpose of this study is to evaluate and compare the clinical performance of two toric contact lenses amongst 110 subjects, 2-week, single masked (subject), daily wear, randomized, bilateral, crossover study; 4 weeks duration. Hypotheses include equal or better performance of the test lens over the control lenses for comfort, vision, and toric fit characteristics as well as corneal integrity
Condition | Intervention |
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Vision Correction |
Device: senoficlon A toric Device: alphafilcon A toric |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Single Blind (Subject), Active Control, Crossover Assignment |
Official Title: | A Multi-Center, Subject Masked, Randomized, Two Week Crossover Design, Investigation of the Acuvue Cypress Toric Silicone Hydrogel Lens Compared to the Bausch & Lomb SofLens66® Toric Hydrophilic Lens |
Enrollment: | 89 |
Study Start Date: | February 2008 |
Study Completion Date: | June 2008 |
Primary Completion Date: | June 2008 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
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1: Experimental
senofilcon A toric
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Device: senoficlon A toric
silicone hydrogel toric lens, 2 wk replacement
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2: Active Comparator
alphafilcon A toric
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Device: alphafilcon A toric
hydrogel toric lens, 2 wk replacement
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Up to 7 sites in the US will participate. Each investigator will have both test and control lens types. There will be a maximum of 6 scheduled visits:
Visit 1: Habitual lens evaluation / Baseline / Trial fitting Visit 2: Dispensing (to be combined with Visit 1 where possible), Visit 3: Questionnaire only (no exam) 7 days (±2) after dispensing, Visit 4: 2 week follow-up 14 days (±3) after dispensing, and dispense second lens type, Visit 5: Questionnaire only (no exam) 7 days (±2) after 2nd lens dispense, Visit 6: 2 week follow-up 14 days (±3) after 2nd lens dispense
Ages Eligible for Study: | 18 Years to 45 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
Exclusion Criteria:
Slit lamp findings that would contraindicate contact lens wear such as:
United States, Florida | |
Eola Eyes | |
Orlando, Florida, United States, 32801 | |
Ted Brink and Associates | |
Jacksonville, Florida, United States, 32256 | |
United States, Georgia | |
Clayton Eye Center | |
Morrow, Georgia, United States, 30260 | |
United States, Missouri | |
The Koetting Associates Inc. | |
St Louis, Missouri, United States, 63144 | |
United States, North Carolina | |
Southern Eyes | |
Concord, North Carolina, United States, 28025 | |
United States, Ohio | |
Western Reserve Vision Care | |
Beachwood, Ohio, United States, 44122 | |
United States, Tennessee | |
Primary Eyecare Group, P.C. | |
Brentwood, Tennessee, United States, 37027 |
Responsible Party: | Foresight Regulatory Strategies, Inc. ( Dr. William Gleason ) |
Study ID Numbers: | CR-0802 |
Study First Received: | March 13, 2008 |
Last Updated: | October 3, 2008 |
ClinicalTrials.gov Identifier: | NCT00639379 |
Health Authority: | United States: Institutional Review Board |
toric contact lenses vision comfort toric fit characteristics slit lamp findings |
Signs and Symptoms |