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Showing 1–24 of 185 matching trials from the live ClinicalTrials.gov search.
Conditions
Ametropia, Myopia, Hyperopia, Astigmatism
Interventions
Serafilcon A toric contact lenses, Senofilcon A toric contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
7
States / cities
Oakland, California • San Francisco, California • Maitland, Florida + 4 more
Not listed Phase 4 Interventional Accepts healthy volunteers

Multi Laser Platform Comparison Study for LASIK

NCT00770094
Conditions
Myopia, Astigmatism
Interventions
Excimer Lasers, Excimer Laser for the LASIK procedure, Excimer Laser for LASIK
Device
Lead sponsor
Durrie Vision
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
3
States / cities
Atlanta, Georgia • Edina, Minnesota • McLean, Virginia
Completed Not applicable Interventional Results available

Post Approval Study of the AcrySof® IQ ReSTOR® Toric IOLs

NCT03733730
Conditions
Aphakia, Presbyopia, Astigmatism
Interventions
ACRYSOF IQ RESTOR +3.0 Multifocal Toric IOL, ACRYSOF IQ RESTOR +2.5 D Multifocal Toric IOL, ACRYSOF IQ RESTOR +2.5 D Multifocal IOL, Cataract Surgery
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
22 Years and older
Enrollment
2,449 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
37
States / cities
Dothan, Alabama • Phoenix, Arizona • Fresno, California + 32 more
Conditions
Myopia, Hyperopia, Astigmatism
Interventions
fanfilcon A, enfilcon A
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
17 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Berkeley, California
Completed Not applicable Interventional Results available

Evaluation of the Rotational Stability of the Tecnis Toric II IOL

NCT04327518
Conditions
Cataract, Corneal Astigmatism
Interventions
TECNIS® Toric II
Device
Lead sponsor
Johnson & Johnson Surgical Vision, Inc.
Industry
Eligibility
22 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
7
States / cities
Bakersfield, California • Los Angeles, California • Sioux City, Iowa + 4 more
Conditions
Astigmatism
Interventions
Dailies Total1® contact lenses for astigmatism (T30fA)
Device
Lead sponsor
Scripps Poway Eyecare and Optometry
Other
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Timeline
2023
U.S. locations
1
States / cities
San Diego, California
Conditions
Myopia, Astigmatism
Interventions
Contoura with Phorcides, WaveLight Wavefront Optimized
Procedure · Device
Lead sponsor
Daniel Terveen
Other
Eligibility
21 Years to 38 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
4
States / cities
Bozeman, Montana • Omaha, Nebraska • Fargo, North Dakota + 1 more
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessment of Visual Performance in Patients With Low Levels of Astigmatism

NCT00842231
Conditions
Cataract Extraction, Corneal Astigmatism
Interventions
Visual performance measures
Other
Lead sponsor
Alcon Research
Industry
Eligibility
50 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Cataracts, Astigmatism
Interventions
Abbott WHITESTAR Signature System with Ellips Transversal Ultrasound, Alcon Infiniti wiht the OZIL Torsional Handpiece
Device
Lead sponsor
Innovative Medical
Industry
Eligibility
21 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Beverly Hills, California
Withdrawn No phase listed Observational

Revive Toric RWE Study

NCT06785194
Conditions
Astigmatism
Interventions
REVIVE samfilcon B custom toric contact lenses
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Timeline
2026
U.S. locations
3
States / cities
Orange Park, Florida • Canton, Georgia
Conditions
Laser in Situ Keratomileusis
Interventions
Not listed
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
21 Years to 84 Years
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
San Diego, California
Conditions
Astigmatism
Interventions
DT1fA contact lenses
Device
Lead sponsor
Mann Eye Institute
Other
Eligibility
18 Years to 39 Years
Enrollment
65 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Orientation Characteristics of Daily Disposable Toric Contact Lenses

NCT06069609
Conditions
Astigmatism
Interventions
kalifilcon A Daily Disposable Toric, Acuvue Oasys 1-Day for Astigmatism
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Results available

Post-Market Evaluation of the EVO ICL

NCT05538754
Conditions
Myopia, Myopic Astigmatism
Interventions
EVO ICL
Device
Lead sponsor
Staar Surgical Company
Industry
Eligibility
21 Years to 45 Years
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
8
States / cities
Honolulu, Hawaii • Overland Park, Kansas • Omaha, Nebraska + 5 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Kalifilcon A Toric Compared to Commercially Available Lenses

NCT06098937
Conditions
Astigmatism
Interventions
Kalifilcon Toric Lens, Total1 for Astigmatism, Precision1 for Astigmatism, MyDay Toric
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Results available

Postmarket Study of an Intraocular Lens Power Selection System

NCT03579433
Conditions
Cataract
Interventions
ORA with VerifEye+, Alcon Barrett Toric Calculator, Acrysof® IQ Toric IOL
Device · Other
Lead sponsor
Alcon Research
Industry
Eligibility
22 Years and older
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
Mt. Dora, Florida • Panama City, Florida • Poughkeepsie, New York + 6 more
Enrolling by invitation No phase listed Observational

Observational Study - TA- 2025-1

NCT07007897
Conditions
Astigmatism
Interventions
Optical Biometry, Cataract Surgery
Device · Procedure
Lead sponsor
Haag-Streit AG
Industry
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
2
States / cities
Mesa, Arizona • Eugene, Oregon
Not yet recruiting Not applicable Interventional

Optimization for Toric Contact Lenses

NCT07557030
Conditions
Astigmatism, Ametropia
Interventions
Lens 1 ( stenfilcon A ), Lens 2 ( comfilcon A )
Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Bloomington, Indiana
Conditions
Astigmatism, Cataract
Interventions
Femto-AK
Device
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Hershey, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating and Improving Functional Driving Vision of Patients With Astigmatism: Phase 3

NCT02950545
Conditions
Astigmatism
Interventions
Placebo Lenses, Spherical Lenses, Toric Lenses
Device
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 39 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Conditions
Myopia, Astigmatism
Interventions
WaveLigh Plus LASIK
Device
Lead sponsor
Mann Eye Institute
Other
Eligibility
18 Years to 39 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Houston, Texas
Conditions
Astigmatism
Interventions
enVista® One-Piece Hydrophobic Acrylic Toric IOL, enVista control lens
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
191 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Irvine, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Performance Evaluation of Two Daily Disposable Toric Lens Designs in Habitual Soft Contact Lens Wearers

NCT04831515
Conditions
Astigmatism
Interventions
Lens A, Lens B
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
4
States / cities
Whittier, California • Sarasota, Florida • Vestal, New York + 1 more
Conditions
Astigmatism
Interventions
Clareon Vivity Extended Vision IOL
Device
Lead sponsor
Alcon Research
Industry
Eligibility
22 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
3
States / cities
Bloomfield Hills, Michigan • Dallas, Texas • Sugar Land, Texas