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ClinicalTrials.gov public records Last synced Jun 10, 2026, 10:54 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Presbyopia
Interventions
UNR844, Placebo
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
45 Years to 55 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
12
States / cities
Laguna Hills, California • Newport Beach, California • Largo, Florida + 8 more
Conditions
Myopia, Hyperopia, Presbyopia, Astigmatism
Interventions
Delefilcon A spherical soft contact lenses, Delefilcon A toric soft contact lenses, Delefilcon A multifocal soft contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
7 Years and older
Enrollment
192 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
12
States / cities
San Diego, California • Ponte Vedra Beach, Florida • West Palm Beach, Florida + 8 more
Completed Not applicable Interventional Accepts healthy volunteers

High Refractive Index Material 510(k)

NCT00766168
Conditions
Myopia, Hyperopia
Interventions
HDS HI 1.54; pahrifocon A, FluoroPerm 30 RGP; paflufocon C
Other · Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
12 Years and older
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
8
States / cities
Lake Elsinore, California • Englewood, Colorado • East Lansing, Michigan + 5 more
Conditions
Hyperopia
Interventions
TENEO 317 Model 2 excimer laser
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
22 Years and older
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
9
States / cities
Newport Beach, California • Fort Myers, Florida • Bloomington, Minnesota + 6 more
Conditions
Hyperopia, Myopia, Astigmatism
Interventions
LASIK and PRK
Procedure
Lead sponsor
Edward E. Manche
Other
Eligibility
21 Years to 60 Years
Enrollment
137 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2022
U.S. locations
1
States / cities
Stanford, California
Conditions
Refractive Errors, Myopia, Hyperopia
Interventions
Modified delefilcon A contact lenses, Delefilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
5
States / cities
Maitland, Florida • Orlando, Florida • West Palm Beach, Florida + 2 more
Not listed Not applicable Interventional Accepts healthy volunteers

Optical Defocus to Stimulate Eye Elongation in Hyperopia

NCT00950924
Conditions
Hyperopia, Refractive Error
Interventions
Simultaneous Vision Bifocal Soft Contact Lenses, Single Vision Soft Contact Lenses
Device
Lead sponsor
Aller, Thomas A., OD
Other
Eligibility
5 Years to 12 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
San Bruno, California
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Efficacy Study of Topography-Guided LASIK to Treat Myopia and Hyperopia

NCT01028378
Conditions
Myopia, Hyperopia
Interventions
T-CAT topography-guided LASIK treatment with the Allegretto Wave Eye-Q 400 Hz Excimer Laser
Device
Lead sponsor
Clinical Research Consultants, Inc.
Industry
Eligibility
18 Years and older
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
10
States / cities
La Quinta, California • San Diego, California • Atlanta, Georgia + 5 more
Conditions
Refractive Errors, Myopia, Hyperopia
Interventions
Lotrafilcon A contact lenses, Balafilcon A contact lenses
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Myopia and Hyperopia and Presbyopia
Interventions
new silicone hydrogel daily disposable multifocal contact lens, the Bausch + Lomb (kalifilcon A) Daily Disposable Multifocal Contact Lens
Device
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
40 Years and older
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
20
States / cities
San Diego, California • San Francisco, California • Denver, Colorado + 16 more
Completed Not applicable Interventional Accepts healthy volunteers

Study of Soft Contact Lens Use With 7 Day Extended Wear

NCT00597467
Conditions
Ametropia
Interventions
VISA (comfilcon A) Silicone Hydrogel Soft contact lens, Acuvue 2 Soft Contact Lens
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years and older
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
23
States / cities
La Mesa, California • San Diego, California • Santa Monica, California + 17 more
Conditions
Laser in Situ Keratomileusis
Interventions
LASIK
Procedure
Lead sponsor
Food and Drug Administration (FDA)
Federal
Eligibility
21 Years to 84 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
5
States / cities
Stanford, California • Indianapolis, Indiana • Overland Park, Kansas + 2 more
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Cannabinoid vs Opioid for Photorefractive Keratectomy Pain Control

NCT05477875
Conditions
Photorefractive Keratectomy, Myopia, Hyperopia
Interventions
oral cannabinoid, oral codeine/acetaminophen
Drug · Combination Product
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

APIOC Sphere and APIOC Astigmatism

NCT04806802
Conditions
Myopia, Hyperopia, Astigmatism
Interventions
APIOC Sphere and APIOC Astigmatism
Device
Lead sponsor
Lentechs, LLC
Industry
Eligibility
18 Years to 35 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
6
States / cities
San Diego, California • Orlando, Florida • Lexington, Kentucky + 3 more
Conditions
Refractive Errors, Astigmatism
Interventions
SynergEyes A2 Hybrid Contact Lens
Device
Lead sponsor
SynergEyes, Inc.
Industry
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
10
States / cities
Campbell, California • Carlsbad, California • Encino, California + 7 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
Conditions
Myopia, Hyperopia
Interventions
Femtosecond Laser System, LASIK surgery
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
22 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Fort Worth, Texas
Completed Not applicable Interventional Accepts healthy volunteers

APIOC for Presbyopia and APIOC for Presbyopia With Astigmatism

NCT04883099
Conditions
Presbyopia, Myopia, Hyperopia, Astigmatism
Interventions
APIOC for Presbyopia and APIOC for Presbyopia for Astigmatism
Device
Lead sponsor
Lentechs, LLC
Industry
Eligibility
40 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
6
States / cities
San Diego, California • Orlando, Florida • Lexington, Kentucky + 3 more
Completed No phase listed Observational Accepts healthy volunteers

First-Sight Refractive Error Correction in the Developing World

NCT01598818
Conditions
Vision Loss
Interventions
Not listed
Lead sponsor
University of Nebraska
Other
Eligibility
7 Years to 50 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Omaha, Nebraska
Conditions
Myopia, Hyperopia
Interventions
narafilcon B daily disposable soft contact lenses, etafilcon A daily disposable soft contact lenses
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
8 Years and older
Enrollment
1,171 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
37
States / cities
Campbell, California • Fullerton, California • Huntington Beach, California + 29 more
Recruiting No phase listed Observational Accepts healthy volunteers

An Evaluation of LASIK, SMILE and PRK Surgery in Physicians

NCT02576483
Conditions
Nearsightedness, Farsightedness, Astigmatism
Interventions
Questionnaire (QoV questionnaire)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
21 Years to 62 Years
Enrollment
700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Comparative Evaluation of Corneal Staining With Balafilcon A Lenses and Two Multi-Purpose Solutions

NCT01024855
Conditions
Myopia, Hyperopia, Astigmatism
Interventions
RevitaLens OcuTec MPS (Investigational MPS) and Opti-Free RepleniSH MPS (control)
Device
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Santa Ana, California
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

Multicenter Dispensing Study of Biofinity Lenses in Extended Range

NCT02060539
Conditions
Myopia, Hyperopia
Interventions
Biofinity XR
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
Berkeley, California • Indianapolis, Indiana • Houston, Texas