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Showing 1–10 of 10 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Precision1 Sphere Clear all
Completed Not applicable Interventional Results available

Clinical Comparison of 2 Daily Disposable Contact Lenses - Pilot Study 1

NCT04527978
View directory record Official record
Conditions
Refractive Errors, Myopia
Interventions
Verofilcon A contact lenses, Nesofilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Maitland, Florida • Medina, Minnesota • Powell, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Surface Refractive Index Shift of Kalifilcon A Compared With Dailies Total1 and Precision1 Lenses

NCT04840563
View directory record Official record
Conditions
Contact Lens Wear
Interventions
kalifilcon A daily disposable spherical soft contact lens, Dailies Total1 (delefilcon A) daily disposable spherical soft contact lens, Precision1 (verofilcon A) daily disposable spherical soft contact lens
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Results available

Clinical Performance of Two Daily Disposable Soft Contact Lenses

NCT05138783
View directory record Official record
Conditions
Refractive Errors
Interventions
Verofilcon A contact lenses, Nesofilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
8
States / cities
Maitland, Florida • Tallahassee, Florida • Franklin Park, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Wear Experience With a Daily Disposable Contact Lens

NCT04296877
View directory record Official record
Conditions
Contact Lens
Interventions
Daily Disposable Contact Lens
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 6, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Toric Contact Lens Digital Performance and Comfort Study

NCT04772560
View directory record Official record
Conditions
Astigmatism
Interventions
Precision1 for Astigmatism, Precision1 Sphere
Device
Lead sponsor
Kathryn Richdale
Other
Eligibility
18 Years to 39 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Results available

Clinical Comparison of Two Daily Disposable Contact Lenses

NCT04865354
View directory record Official record
Conditions
Refractive Errors
Interventions
Verofilcon A contact lenses, Somofilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
8
States / cities
San Francisco, California • Maitland, Florida • Tallahassee, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 5, 2022 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of Wear Experience With Daily Contact Lenses

NCT05096156
View directory record Official record
Conditions
Contact Lens
Interventions
Precision1® Daily Disposable Contact Lens
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Wear Experience With Daily Contact Lenses Over a Long Day

NCT04535310
View directory record Official record
Conditions
Contact Lens
Interventions
Precision1® Daily Disposable Contact Lens
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 40 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 3, 2026, 5:34 PM EDT
Completed Not applicable Interventional Results available

Clinical Comparison of 2 Daily Disposable Contact Lenses - Pilot Study 2

NCT04528017
View directory record Official record
Conditions
Refractive Errors, Myopia
Interventions
Verofilcon A contact lenses, Somofilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
4
States / cities
Maitland, Florida • Medina, Minnesota • Powell, Ohio + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 10, 2021 · Synced Sep 3, 2026, 5:34 PM EDT
Terminated No phase listed Observational

Post-market Clinical Follow-up Study of Alcon PRECISION1™ Spherical and PRECISION1™ for Astigmatism Soft Contact Lenses

NCT06462456
View directory record Official record
Conditions
Refractive Errors
Interventions
Verofilcon A spherical soft contact lenses, Verofilcon A toric soft contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
7 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
12
States / cities
San Diego, California • Jacksonville, Florida • Orlando, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jul 19, 2025 · Synced Sep 3, 2026, 5:34 PM EDT