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Showing 193–216 of 634 matching trials from the live ClinicalTrials.gov search.
Conditions
Refractive Errors, Asthenopia
Interventions
Spectacle Lenses
Device
Lead sponsor
American Optometric Association
Other
Eligibility
40 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Birmingham, Alabama
Completed No phase listed Observational Accepts healthy volunteers Results available

Patient Perception of Visual Distortions

NCT02203747
Conditions
Cataract, Astigmatism
Interventions
Administration of patient self-assessment
Other
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
22 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Santa Ana, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparing Biofinity Toric Multifocal to Ultra Multifocal for Astigmatism

NCT04404725
Conditions
Astigmatism, Presbyopia
Interventions
comfilcon A, Samfilcon A
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
17 Years and older
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Athens, Ohio • State College, Pennsylvania
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Control of Myopia Using Novel Spectacle Lens Designs

NCT03623074
Conditions
Juvenile Myopia
Interventions
Novel spectacle lens design, Spectacle lenses
Device
Lead sponsor
SightGlass Vision, Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
266 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
13
States / cities
Whittier, California • Longwood, Florida • Pensacola, Florida + 10 more
Completed Not applicable Interventional Results available

Tecnis ZLB00 & Symfony Intraocular Lens Combination Outcomes

NCT03771274
Conditions
Cataract Bilateral, Presbyopia
Interventions
Tecnis ZLB00 & Symfony IOL
Device
Lead sponsor
Carolina Eyecare Physicians, LLC
Other
Eligibility
40 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Mt. Pleasant, South Carolina
Conditions
Myopia
Interventions
Contoura LASIK
Device
Lead sponsor
Mann Eye Institute
Other
Eligibility
21 Years to 39 Years
Enrollment
50 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Results available

Pilot Dispensing Evaluation of a Plus Power Lens

NCT01228591
Conditions
Hyperopia
Interventions
Acuvue Advance Plus, Acuvue Advance
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
3
States / cities
Winter Park, Florida • New York, New York • Nanticoke, Pennsylvania
Conditions
Myopia, Contact Lenses
Interventions
Bausch & Lomb new daily disposable, Johnson & Johnson Acuvue Moist
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Rochester, New York
Conditions
Refractive Errors
Interventions
Lehfilcon A contact lenses, Comfilcon A contact lenses, CLEAR CARE
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
14
States / cities
Los Angeles, California • Novato, California • Oakland, California + 10 more
Conditions
Hyperopia
Interventions
MEL 80 Hyperopic LASIK Treatment
Device
Lead sponsor
Carl Zeiss Meditec, Inc.
Industry
Eligibility
21 Years and older
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
6
States / cities
San Diego, California • Greenwood Village, Colorado • Kansas City, Missouri + 3 more
Completed No phase listed Observational Results available

Patient Reported Outcomes With WaveLight LASIK

NCT06668909
Conditions
Myopia
Interventions
WaveLight® EX500
Device
Lead sponsor
OVO LASIK + Lens
Other
Eligibility
21 Years to 35 Years
Enrollment
300 participants
Timeline
2024 – 2025
U.S. locations
4
States / cities
San Diego, California • Brookline, Massachusetts • Saint Louis Park, Minnesota + 1 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Performance of Two Designs of Soft Toric Lenses

NCT01309867
Conditions
Myopia
Interventions
Investigational Toric Lens, PureVision Toric Lens
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Rochester, New York
Conditions
Myopia
Interventions
Multifocal Contact Lens
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 38 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Results available

Post-Approval Study of the TECNIS SYMFONY® Toric Lenses

NCT03791619
Conditions
Cataract, Corneal Astigmatism
Interventions
Higher Cylinder Toric IOL, Lower Cylinder Toric IOL
Device
Lead sponsor
Johnson & Johnson Surgical Vision, Inc.
Industry
Eligibility
22 Years and older
Enrollment
475 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
23
States / cities
Bakersfield, California • Long Beach, California • Santa Monica, California + 18 more
Conditions
Myopia
Interventions
Atropine, Spectacles with HAL, Placebo Eyedrops
Drug · Device
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
5 Years to 11 Years
Enrollment
348 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
17
States / cities
Birmingham, Alabama • Tucson, Arizona • Fullerton, California + 12 more
Completed Not applicable Interventional Results available

Hyperopia Treatment Study 1 (HTS1) - Glasses vs Observation

NCT01515475
Conditions
Hyperopia
Interventions
Glasses
Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
12 Months to 71 Months
Enrollment
249 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2018
U.S. locations
2
States / cities
Columbus, Ohio • Salt Lake City, Utah
Conditions
Refractive Errors, Astigmatism
Interventions
Verofilcon A toric contact lenses, Stenfilcon A toric contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
6
States / cities
Maitland, Florida • Pittsburg, Kansas • Sterling Heights, Michigan + 3 more
Conditions
Myopia, Progressive
Interventions
SHJ002, Atropine
Drug
Lead sponsor
Sunhawk Vision Biotech, Inc.
Industry
Eligibility
3 Years to 12 Years
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Hillsboro, Ohio
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

DAILIES TOTAL1 Versus ACUVUE TruEye - Effects on the Biology of the Ocular Surface and Lid Margin

NCT02347631
Conditions
Soft Contact Lenses, Myopia
Interventions
Soft Contact Lens - Daily Disposable Alcon Dailies Total 1 and ACUVUE TruEye, Soft Contact Lens - Acuvue TruEye and Alcon DAILIES TOTAL 1.
Device
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
21 Years to 38 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Amblyopia, Anisometropia
Interventions
photoscreen
Device
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
6 Months to 40 Years
Enrollment
162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Refractive Error - Myopia Severe, Refractive Error - Myopia Simple
Interventions
WaveLight® Ultraviolet Femtosecond (FS) Laser System, Laser Assisted Lenticular Extraction
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
22 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
2
States / cities
Sioux Falls, South Dakota • Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effectiveness of Orthokeratology in Myopia Control

NCT03465748
Conditions
Myopia
Interventions
OrthoK
Device
Lead sponsor
Illinois College of Optometry
Other
Eligibility
6 Years to 13 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Chicago, Illinois
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