- Conditions
- Refractive Error, Presbyopia, Asthenopia, Eyeglasses
- Interventions
- D-28 bifocal lenses and frame, Progressive addition computer lenses and frame
- Device
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–3
of 3
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Myopia
- Interventions
- progressive addition spectacle lens (bifocal), Single Vision Lenses (SVLs)
- Device
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 6 Years to 11 Years
- Enrollment
- 85 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2010
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Presbyopia
- Interventions
- Standard, non-free-form, non-customized PAL spectacles, Individually customized free-form surfaced PAL spectacles
- Device
- Lead sponsor
- University of California, Berkeley
- Other
- Eligibility
- 39 Years to 80 Years
- Enrollment
- 95 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 1
- States / cities
- Berkeley, California