Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 14, 2026, 5:15 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Hyperopia, Hypermetropia, Farsightedness
Interventions
Spectacles
Procedure
Lead sponsor
Ohio State University
Other
Eligibility
8 Weeks to 20 Weeks
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Columbus, Ohio
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
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
Conditions
Presbyopia
Interventions
Serafilcon A multifocal contact lenses, Senofilcon A multifocal contact lenses, CLEAR CARE® Cleaning & Disinfecting Solution
Device
Lead sponsor
Alcon Research
Industry
Eligibility
40 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
8
States / cities
Los Angeles, California • Oakland, California • Maitland, Florida + 5 more
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
Withdrawn No phase listed Observational Accepts healthy volunteers

Evaluation of Outcomes Using the Amo Advanced CustomVue Ilasik Procedure

NCT00765960
Conditions
Myopia, Hyperopia
Interventions
Not listed
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
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
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
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
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 Not applicable Interventional Accepts healthy volunteers Results available

Safety and Effectiveness of Wavefront-Guided LASIK Correction of Hyperopic Refractive Errors

NCT01675479
Conditions
Hyperopia
Interventions
LASIK correction of hyperopic refractive errors
Device
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
18 Years and older
Enrollment
167 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
9
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 6 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
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, Hyperopia, Presbyopia
Interventions
omafilcon A lens, Low ADD power somofilcon A lens, Medium ADD power somofilcon A lens, High ADD power somofilcon A lens
Device
Lead sponsor
CooperVision International Limited (CVIL)
Industry
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Berkeley, California
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
Conditions
Refractive Errors, Myopia, Hyperopia
Interventions
Lehfilcon A contact lens, Comfilcon A contact lens
Device
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
3
States / cities
Medina, Minnesota • Granville, Ohio • Memphis, Tennessee
Conditions
Myopia, Hyperopia
Interventions
Lens A (fanfilcon A), Lens B (lotrafilcon B)
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years to 39 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Ocoee, Florida • State College, Pennsylvania
Conditions
Myopia, Hyperopia
Interventions
Sapphire, senofilcon A
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
17 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Berkeley, California
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 4 Interventional Accepts healthy volunteers Results available

Daily Wear Corneal Infiltrative Event Study

NCT00937105
Conditions
Myopia, Hyperopia, Corneal Infiltrative Events
Interventions
lotrafilcon A contact lenses, Renu Multiplus, Clear Care
Device
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
15 Years and older
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Conditions
Myopia, Hyperopia
Interventions
Lens A (comfilcon A lens), Lens B (lehfilcon A lens)
Device
Lead sponsor
CooperVision, Inc.
Industry
Eligibility
18 Years to 35 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
4
States / cities
Medina, Minnesota • Vestal, New York • Athens, Ohio + 1 more
Conditions
Myopia, Hyperopia, Cataract
Interventions
IOLMASTER 700 TK
Device
Lead sponsor
Advanced Vision Care
Other
Eligibility
18 Years and older
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
7
States / cities
Bakersfield, California • Los Angeles, California • Torrance, California + 4 more
Completed Not applicable Interventional Results available

Clinical Investigation of the WaveLight® EX500 Excimer Laser

NCT04805593
Conditions
Hyperopia, Hyperopic Astigmatism
Interventions
WaveLight EX500 excimer laser system, LASIK
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
5
States / cities
Overland Park, Kansas • Kansas City, Missouri • Greensboro, North Carolina + 2 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