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Sponsored by: |
Vistakon |
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Information provided by: | Vistakon |
ClinicalTrials.gov Identifier: | NCT00808340 |
The primary purpose of the study is to compare the performance of three soft bifocal contact lenses in terms of the vision provided by the lenses.
Condition | Intervention |
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Presbyopia |
Device: balafilcon A Device: senofilcon A |
Study Type: | Interventional |
Study Design: | Treatment, Randomized, Single Blind (Subject), Crossover Assignment |
Estimated Enrollment: | 52 |
Study Start Date: | November 2008 |
Estimated Primary Completion Date: | February 2009 (Final data collection date for primary outcome measure) |
Arms | Assigned Interventions |
---|---|
1: Active Comparator
balafilcon A multifocal
|
Device: balafilcon A
multifocal contact lens
|
2: Active Comparator
senofilcon A multifocal
|
Device: senofilcon A
multifocal contact lens
|
3: Experimental
senofilcon A test design
|
Device: senofilcon A
test design
|
Ages Eligible for Study: | 35 Years to 70 Years |
Genders Eligible for Study: | Both |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
Exclusion Criteria:
Responsible Party: | Vistakon ( Tom Karkkainen, OD, Principal Research Optometrist ) |
Study ID Numbers: | CR-1485FA |
Study First Received: | December 12, 2008 |
Last Updated: | December 12, 2008 |
ClinicalTrials.gov Identifier: | NCT00808340 |
Health Authority: | United States: Institutional Review Board |
Eye Diseases Presbyopia Refractive Errors |