Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 4:54 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 43 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Contrast Sensitivity Clear all
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Topical ASP-1001 (Contrast Media Formulation) and the Acute Response to Nasal Allergen Challenge (NAC)

NCT00791102
View directory record Official record
Conditions
Allergic Rhinitis
Interventions
ASP-1001 nasal spray, Placebo for ASP-1001
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Days to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 10, 2013 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Neural and Visual Responses to Light in Bipolar Disorder: A Novel Putative Biomarker

NCT02048995
View directory record Official record
Conditions
Bipolar Depression
Interventions
Not listed
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 50 Years
Enrollment
91 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Visual Discomfort and Reading

NCT00402155
View directory record Official record
Conditions
Visual Fatigue
Interventions
Stress on visual discomfort
Behavioral
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
17 Years to 30 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Claremont, California
Source: ClinicalTrials.gov public record
Updated Nov 13, 2009 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational

The Relationship of Residence Time and Visual Effect of Optive and Systane in Dry Eye Subjects

NCT00553579
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Not listed
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated May 20, 2008 · Synced Oct 21, 2026, 4:54 AM EDT
Recruiting Not applicable Interventional

Contoura With Phorcides Compared to Wavefront Optimized LASIK

NCT05486546
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Oct 21, 2026, 4:54 AM EDT
Withdrawn No phase listed Observational

Correlation of Scheimpflug Densitometry Measurements of Corneal Haze With Disability Glare

NCT02244892
View directory record Official record
Conditions
Vision Disability
Interventions
Not listed
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 13, 2022 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 1Phase 2 Interventional

The Safety and Efficacy Study of Ethylenediaminetetraacetic Acid (EDTA) Ophthalmic Solution in Patients With Loss of Contrast Sensitivity Due to Age-Related, Low-Grade Nuclear Cataract

NCT06365762
View directory record Official record
Conditions
Age Related Cataracts
Interventions
EDTA Ophthalmic Solution 2.6%, EDTA Ophthalmic Solution 1.3%, Saline Solution (Placebo)
Drug
Lead sponsor
Livionex Inc.
Industry
Eligibility
50 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
6
States / cities
San Francisco, California • Overland Park, Kansas • Lutherville, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional Results available

The Zeaxanthin and Visual Function Study

NCT00564902
View directory record Official record
Conditions
Age Related Macular Degeneration, Cognition Disorders
Interventions
3R 3'R Zeaxanthin, Lutein, Lutein and Zeaxanthin
Drug · Dietary Supplement
Lead sponsor
Chrysantis, Inc.
Industry
Eligibility
45 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
North Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional Results available

Study of Photobiomodulation to Treat Dry Age-Related Macular Degeneration (LIGHTSITE III)

NCT04065490
View directory record Official record
Conditions
Dry Age-related Macular Degeneration
Interventions
Valeda Light Delivery System, Valeda Light Delivery System Sham Mode
Device
Lead sponsor
LumiThera, Inc.
Industry
Eligibility
50 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
10
States / cities
Beverly Hills, California • Palo Alto, California • Altamonte Springs, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Visual Effect of an Investigational Artificial Tear in the Tear Layer.

NCT00395759
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Optiva artificial tear by Allergan
Drug
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
18 Years to 40 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2007 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Building a Database of Results From People Without Eye Problems

NCT02627339
View directory record Official record
Conditions
Glaucoma
Interventions
Not listed
Lead sponsor
Wills Eye
Other
Eligibility
10 Years to 90 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 21, 2016 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational

Reactions to Contrast Media (CM) Administered at the Time of the Endoscopic Retrograde Cholangiopancreatography (ERCP)

NCT00900640
View directory record Official record
Conditions
Contrast Allergies
Interventions
ERCP as medically indicated by subjects referring physician
Procedure
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Visual Outcomes and Contrast Sensitivity After Myopic LASIK

NCT01746589
View directory record Official record
Conditions
Myopia
Interventions
bilateral myopic LASIK
Device
Lead sponsor
Daniel S. Durrie, MD
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Macular Pigment and Glare Disability

NCT00909090
View directory record Official record
Conditions
Vision, Entoptic
Interventions
12 mg Lutein + Zeaxanthin, Visually identical placebo
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Oct 21, 2026, 4:54 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Test-Retest Variability of Quick Contrast Sensitivity Function Testing

NCT02177669
View directory record Official record
Conditions
Healthy
Interventions
quick Contrast Sensitivity Function test
Other
Lead sponsor
Nova Southeastern University
Other
Eligibility
20 Years to 89 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Apr 11, 2017 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Ampyra for Optic Neuritis in Multiple Sclerosis

NCT01337986
View directory record Official record
Conditions
Multiple Sclerosis, Optic Neuritis
Interventions
Dalfampridine/Placebo, Placebo/Dalfampridine
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Oct 21, 2026, 4:54 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Patient Centered Outcomes Analysis for MS Using a Mobile Application

NCT04281160
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
BeCare Mobile App
Device
Lead sponsor
BeCare Link LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 23, 2022 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 2 Interventional

Single Oral Doses Study of Nerispirdine on Visual Function in Patients With Multiple Sclerosis

NCT00772525
View directory record Official record
Conditions
Multiple Sclerosis, Optic Nerve, Neuritis
Interventions
Nerispirdine, Placebo
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 26, 2016 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Glare and Spectral Filtering on Contrast Sensitivity: A Pilot Study

NCT05582304
View directory record Official record
Conditions
Visual Acuity
Interventions
Test Lens, Control Lens
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 31, 2024 · Synced Oct 21, 2026, 4:54 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Evaluating NeuroVision's Neural Vision Correction (NVC) Myopia Treatment

NCT00469612
View directory record Official record
Conditions
Myopia
Interventions
NeuroVision's NVC treatment for Low Myopia
Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 59 Years
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Safety and Efficacy of Phentolamine Mesylate Ophthalmic Solution in Subjects With Severe Night Vision Disturbances

NCT01703559
View directory record Official record
Conditions
Night Vision Complaints, Decrease in Night Vision, Disturbance; Vision, Loss
Interventions
Phentolamine Mesylate Ophthalmic Solution 1.0%, Phentolamine Mesylate Ophthalmic Solution 0.5%, Phentolamine Mesylate Ophthalmic Solution Vehicle (Placebo)
Drug · Other
Lead sponsor
Opus Genetics, Inc
Industry
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Not applicable Interventional

Diabetes Visual Function Supplement Study

NCT01646047
View directory record Official record
Conditions
Diabetes Mellitus - Type 1, Diabetes Mellitus - Type 2, Non-proliferative Diabetic Retinopathy
Interventions
multi-component nutritional supplement capsules, multi-component dietary supplement
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 22, 2015 · Synced Oct 21, 2026, 4:54 AM EDT
Completed Phase 4 Interventional Results available

Performance Assessment Tests in Working Individuals With DME Following Treatment With Ranibizumab

NCT02107131
View directory record Official record
Conditions
Diabetic Macular Edema
Interventions
Intravitreal ranibizumab 0.3mg
Drug
Lead sponsor
California Retina Consultants
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
6
States / cities
Bakersfield, California • Oxnard, California • Palmdale, California + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Oct 21, 2026, 4:54 AM EDT
Withdrawn Phase 4 Interventional

A Feasibility Study to Assess the Use of Gadolinium in Computed Tomography

NCT02163005
View directory record Official record
Conditions
Contrast Media Allergy
Interventions
Gadolinium
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
56 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 4, 2021 · Synced Oct 21, 2026, 4:54 AM EDT