- Conditions
- Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
- Interventions
- Glasses
- Device
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 9 Years to 17 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2021
- 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.
All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–5
of 5
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Presbyopia
- Interventions
- Multifocal soft contact lenses, Progressive addition lens spectacles
- Device · Other
- Lead sponsor
- Alcon Research
- Industry
- Eligibility
- 38 Years to 58 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Houston, Texas
- 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
- 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
- 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