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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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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 28, 2012 · Synced Sep 3, 2026, 6:06 AM EDT
Withdrawn Phase 4 Interventional

Augmented Macular Pigment-containing Nutraceutical and Central Visual Function

NCT04676126
View directory record Official record
Conditions
Glaucoma, Glaucoma Eye, Glaucoma, Open-Angle
Interventions
Lumega-Z, Dorzolamide Hcl 2% Oph Soln, Placebo
Dietary Supplement · Drug · Other
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 3, 2022 · Synced Sep 3, 2026, 6:06 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 19, 2008 · Synced Sep 3, 2026, 6:06 AM EDT
Suspended Early Phase 1 Interventional

PBA Use for Treatment of ATF6-/- Patients

NCT04041232
View directory record Official record
Conditions
ACHROMATOPSIA 7, Achromatopsia
Interventions
PBA
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Sep 3, 2026, 6:06 AM EDT
Active, not recruiting No phase listed Observational

Monitoring Response to Orkambi in Cystic Fibrosis Lung Disease by Inhaled Xenon MRI

NCT02848560
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Hyperpolarized Xenon
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 12 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 20, 2024 · Synced Sep 3, 2026, 6:06 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 22, 2007 · Synced Sep 3, 2026, 6:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions

NCT02028351
View directory record Official record
Conditions
Refractive Error, Cataract, Maculopathy
Interventions
Not listed
Lead sponsor
Sinclair Technologies, LLC
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Elkins Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 6, 2014 · Synced Sep 3, 2026, 6:06 AM EDT
Recruiting Not applicable Interventional

Programmed Ventricular Stimulation to Risk Stratify for Early Cardioverter-Defibrillator (ICD) Implantation to Prevent Tachyarrhythmias Following Acute Myocardial Infarction (PROTECT-ICD)

NCT03588286
View directory record Official record
Conditions
Sudden Cardiac Death
Interventions
Electrophysiology study (EPS), Standard Care, Cardiac Magnetic Resonance (CMR)
Procedure · Other
Lead sponsor
Western Sydney Local Health District
Other
Eligibility
18 Years to 85 Years
Enrollment
1,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2024 · Synced Sep 3, 2026, 6:06 AM EDT
Active, not recruiting Not applicable Interventional

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 PBM treatment, Valeda Sham treatment
Device
Lead sponsor
LumiThera, Inc.
Industry
Eligibility
50 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
11
States / cities
Beverly Hills, California • Palo Alto, California • Altamonte Springs, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 3, 2026, 6:06 AM EDT
Withdrawn Phase 4 Interventional

Use of Gadolinium in CT Pulmonary Angiography

NCT02234375
View directory record Official record
Conditions
Pulmonary Embolism
Interventions
Gadolinium
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
20 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 16, 2020 · Synced Sep 3, 2026, 6:06 AM EDT
Recruiting Phase 3 Interventional

Privosegtor Investigation in Optic Neuropathies Efficacy Evaluation Research

NCT07623668
View directory record Official record
Conditions
Optic Neuritis
Interventions
Privosegtor, Methylprednisolone, Placebo
Drug · Other
Lead sponsor
Oculis
Industry
Eligibility
18 Years to 50 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
4
States / cities
Livonia, Michigan • Charleston, South Carolina • Dallas, Texas + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 3, 2026, 6:06 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Applicability of 3T Shoulder MRI in Detection of Labral Pathology

NCT06043791
View directory record Official record
Conditions
Labral Tear, Glenoid
Interventions
1.5 Tesla magnet MR arthrography, 3 Tesla magnet non-contrast MRI
Radiation
Lead sponsor
Henry Ford Health System
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated May 3, 2026 · Synced Sep 3, 2026, 6:06 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Understanding the Mechanisms of Diastolic Dysfunction

NCT03340233
View directory record Official record
Conditions
Heart Failure With Preserved Ejection Fraction, Healthy
Interventions
MRI (cardiac) off-label use gadolinium contrast (IND exempt), MRI (cardiac)
Diagnostic Test
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 30, 2019 · Synced Sep 3, 2026, 6:06 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Dry Eye Syndrome on Metrics of Low Contrast Vision Before and After Meibomian Gland Expression

NCT05713981
View directory record Official record
Conditions
Meibomian Gland Dysfunction
Interventions
Meibomian gland (MG) expression
Procedure
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 25, 2023 · Synced Sep 3, 2026, 6:06 AM EDT
Not listed Not applicable Interventional

Evaluation of a Visual Remediation Intervention for Schizophrenia

NCT03117452
View directory record Official record
Conditions
Schizophrenia
Interventions
Visual Training
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 29, 2018 · Synced Sep 3, 2026, 6:06 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 27, 2013 · Synced Sep 3, 2026, 6:06 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Atlas of Retinal Imaging in Alzheimer's Study

NCT03862222
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging, Cognitive Change
Interventions
Retinal Imaging, Pupillometry, Contrast Sensitivity, Neuropsychological Evaluation, APOE genotyping, blood draw, Gait Assessment, Actigraphy
Other · Diagnostic Test · Genetic
Lead sponsor
University of Rhode Island
Other
Eligibility
55 Years to 80 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
4
States / cities
Clearwater, Florida • St. Petersburg, Florida • Kingston, Rhode Island + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2025 · Synced Sep 3, 2026, 6:06 AM EDT
Active, not recruiting Phase 2 Interventional

Risk-Adapted Focal Proton Beam Radiation and/or Surgery in Patients With Low, Intermediate and High Risk Rhabdomyosarcoma Receiving Standard or Intensified Chemotherapy

NCT01871766
View directory record Official record
Conditions
Rhabdomyosarcoma
Interventions
Vincristine, Dactinomycin, Cyclophosphamide, Surgical Resection, Radiation, Bevacizumab, Sorafenib, Myeloid Growth Factor, Lymph Node Sampling, Irinotecan, Ifosfamide, Etoposide, Etoposide Phosphate, Doxorubicin, Dexrazoxane, ^1^1C-methionine
Drug · Procedure
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Up to 21 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2030
U.S. locations
4
States / cities
Jacksonville, Florida • Memphis, Tennessee • Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 3, 2026, 6:06 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 24, 2018 · Synced Sep 3, 2026, 6:06 AM EDT
Completed Not applicable Interventional Results available

How Has Glaucoma Affected Your Quality of Life?

NCT01476644
View directory record Official record
Conditions
Glaucoma, Quality of Life
Interventions
Clinical evaluation, Performance based measures, Subjective measures of vision-related quality of life
Other
Lead sponsor
Wills Eye
Other
Eligibility
18 Years to 80 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Sep 3, 2026, 6:06 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 25, 2023 · Synced Sep 3, 2026, 6:06 AM EDT
Terminated No phase listed Observational

PET/MRI to Enhance Precision Guidance in Head and Neck Radiation Treatment Planning

NCT03286972
View directory record Official record
Conditions
Head and Neck Neoplasms
Interventions
PET/MRI
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Sep 3, 2026, 6:06 AM EDT
Completed No phase listed Observational

Use of a Water Soluble Contrast-Based Protocol to Assist in the Management of Pediatric Adhesive Small Bowel Obstruction

NCT06101719
View directory record Official record
Conditions
Small Bowel Obstruction, Contrast Media Adverse Reaction
Interventions
Enteral contrast challenge
Diagnostic Test
Lead sponsor
Children's Hospital Colorado
Other
Eligibility
1 Year to 20 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
9
States / cities
Phoenix, Arizona • Los Angeles, California • Oakland, California + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Sep 3, 2026, 6:06 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 25, 2016 · Synced Sep 3, 2026, 6:06 AM EDT