Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 9, 2026, 10:21 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–8 of 8 matching trials from the live ClinicalTrials.gov search.
Conditions
Refractive Errors, Astigmatism
Interventions
Lehfilcon A toric contact lenses, Comfilcon A toric contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
7
States / cities
Longwood, Florida • Maitland, Florida • Orlando, Florida + 4 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Performance Evaluation of Two Silicone Hydrogel Toric Lens Designs in Habitual Soft Contact Lens Wearers

NCT05933772
Conditions
Astigmatism
Interventions
Lens A (comfilcon A toric lens), Lens B (lehfilcon A toric lens)
Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
18 Years to 39 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
3
States / cities
Pittsburg, Kansas • Vestal, New York • Granville, Ohio
Conditions
Ametropia, Myopia, Hyperopia, Astigmatism
Interventions
Lehfilcon A spherical contact lenses, Lehfilcon A toric contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
7 Years and older
Enrollment
129 participants
Timeline
2024 – 2025
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Refractive Errors, Presbyopia, Astigmatism
Interventions
Lehfilcon A multifocal toric contact lenses, Samfilcon A multifocal toric contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
40 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Johns Creek, Georgia
Conditions
Astigmatism, Refractive Errors
Interventions
Delefilcon A toric soft contact lens, Lehfilcon A toric soft contact lens, Lotrafilcon B toric soft contact lens, Verofilcon A toric soft contact lens
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
7
States / cities
Los Angeles, California • Longwood, Florida • Maitland, Florida + 4 more
Conditions
Presbyopia, Astigmatism
Interventions
Lehfilcon A multifocal for astigmatism contact lenses, Samfilcon A multifocal for astigmatism contact lenses, CLEAR CARE® Cleaning & Disinfecting Solution
Device
Lead sponsor
Alcon Research
Industry
Eligibility
40 Years and older
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
11
States / cities
Oakland, California • San Francisco, California • Maitland, Florida + 8 more
Conditions
Ametropia, Astigmatism
Interventions
Lehfilcon A toric contact lenses, Comfilcon A toric contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 45 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
5
States / cities
Los Angeles, California • Oakland, California • San Francisco, California + 2 more
Conditions
Astigmatism, Myopia
Interventions
Lens A ( comfilcon A), Lens B ( lehfilcon A)
Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
New York, New York • Granville, Ohio • Corpus Christi, Texas