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ClinicalTrials.gov public records Last synced Sep 6, 2026, 2:56 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Contrast Sensitivity Clear all
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate Strategies for Teaching Effective Use of Diagnostic Tests

NCT04130607
View directory record Official record
Conditions
Instructional Methods
Interventions
Conceptual teaching
Other
Lead sponsor
Sentara Norfolk General Hospital
Other
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 16, 2019 · Synced Sep 6, 2026, 2:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functionally Validated Structural Endpoints for Early AMD

NCT04112667
View directory record Official record
Conditions
Age-related Macular Degeneration, Aging
Interventions
Normal Macular Health, Early Macular Degeneration, Young Normals
Other
Lead sponsor
Cynthia Owsley
Other
Eligibility
20 Years and older
Enrollment
556 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 6, 2026, 2:56 PM 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 6, 2026, 2:56 PM 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 30, 2024 · Synced Sep 6, 2026, 2:56 PM 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 28, 2012 · Synced Sep 6, 2026, 2:56 PM 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 15, 2024 · Synced Sep 6, 2026, 2:56 PM EDT
Not listed Not applicable Interventional

Mobile Interpretation Bias Modification Clinical Trial

NCT04129866
View directory record Official record
Conditions
Anxiety Sensitivity, Suicidal Ideation
Interventions
M-IBM, Control-IBM
Behavioral
Lead sponsor
University of Southern Mississippi
Other
Eligibility
18 Years to 65 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Hattiesburg, Mississippi
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Sep 6, 2026, 2:56 PM 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 6, 2026, 2:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Comparing Vision Tests in a Virtual Reality Headset to Existing Analogues

NCT04714424
View directory record Official record
Conditions
Ptosis, Macular Degeneration, Ametropia
Interventions
Virtual Reality Headset
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 6, 2026, 2:56 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Comparison of Contrast-enhanced Spectral Mammography (CESM) to MRI in Screening High Risk Women for Breast Cancer

NCT02275871
View directory record Official record
Conditions
Breast Cancer
Interventions
MRI, CESM
Other
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
30 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Sep 6, 2026, 2:56 PM EDT
Not listed Not applicable Interventional

Impact of Acute Exercise on Vascular Insulin Sensitivity in Metabolic Syndrome

NCT03894527
View directory record Official record
Conditions
Metabolic Syndrome, Obesity
Interventions
Single Bout of Exercise, Control Condition
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
40 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Sep 6, 2026, 2:56 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluation of Electronic LogMar Visual Acuity and Contrast Sensitivity in a Population of Contact Lens Wearers

NCT03222037
View directory record Official record
Conditions
Visual Acuity
Interventions
senofilcon A, Control
Device
Lead sponsor
Johnson & Johnson Vision Care, Inc.
Industry
Eligibility
18 Years to 35 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 9, 2019 · Synced Sep 6, 2026, 2:56 PM 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 6, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of a New Emulsion in Dry Eye Patients on Tear Layer Aberrometry, Contrast Sensitivity, and Reading Ability

NCT01013077
View directory record Official record
Conditions
Dry Eye Syndrome
Interventions
Optive, Soothe, New Emulsion, Soothe, New Emulsion, Optive, New Emulsion, Optive, Soothe
Other
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Sep 6, 2026, 2:56 PM EDT
Active, not recruiting No phase listed Observational

Non-alcoholic Fatty Liver Disease Parametric PET (FLiPP) Study

NCT02754037
View directory record Official record
Conditions
Non-alcoholic Fatty Liver Disease (NAFLD), Non-alcoholic Steatohepatitis (NASH)
Interventions
Fluorodeoxyglucose (FDG) positron emission tomography (PET), Magnetic resonance imaging (MRI), PET Explorer
Radiation · Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2025 · Synced Sep 6, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional

Sonobiopsy for Noninvasive and Sensitive Detection of Glioblastoma

NCT05281731
View directory record Official record
Conditions
Glioblastoma, Glioblastoma Multiforme
Interventions
Sonobiopsy, Research blood, Cancer Personalized Profiling, Definity®
Device · Procedure · Genetic
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 6, 2026, 2:56 PM EDT
Terminated No phase listed Observational

Methionine and PBR28-PET (Peripheral Benzodiazepine Receptors) in Brain Metastases Following Radiosurgery

NCT02433171
View directory record Official record
Conditions
Brain Metastasis
Interventions
Standard of Care FDG-PET Imaging
Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 27, 2019 · Synced Sep 6, 2026, 2:56 PM 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 20, 2016 · Synced Sep 6, 2026, 2:56 PM 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 22, 2022 · Synced Sep 6, 2026, 2:56 PM EDT
Recruiting No phase listed Observational

Longitudinal Natural History Study of Retinal Function in Eyes of Patients With Diabetes

NCT07270133
View directory record Official record
Conditions
Diabetic Retinal Disease
Interventions
Visual Acuity, Reading Speed, Visual Field testing, Contrast sensitivity, Electroretinography (ERG) and pupillography in light- and dark-adapted states, Ultrawide field-color photograph, Ultrawide field-Fluorescein angiogram, Optical coherence tomography, Optical coherence tomography- Angiography
Diagnostic Test · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
4
States / cities
Augusta, Georgia • Boston, Massachusetts • Detroit, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 6, 2026, 2:56 PM EDT
Completed Not applicable Interventional

CT Scan Using IV Contrast Alone for Pediatric Appendicitis

NCT00716703
View directory record Official record
Conditions
Appendicitis, Child, Contrast Media
Interventions
CT Scan using IV contrast alone
Other
Lead sponsor
University of Rochester
Other
Eligibility
3 Years to 18 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2008 · Synced Sep 6, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Establishing New Treatment Approaches for Amblyopia: Perceptual Learning and Video Games

NCT05522972
View directory record Official record
Conditions
Amblyopia
Interventions
Video Game Vision Training, Perceptual Learning, Occlusion Therapy
Behavioral
Lead sponsor
Nova Southeastern University
Other
Eligibility
Not listed
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Fort Lauderdale, Florida
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 6, 2026, 2:56 PM 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 12, 2022 · Synced Sep 6, 2026, 2:56 PM EDT
Withdrawn Not applicable Interventional

A Study to Assess the Use of The Sentinel Device During Atrial Fibrillation Ablation

NCT04683692
View directory record Official record
Conditions
Atrial Fibrillation
Interventions
Magnetic Resonance Imaging (MRI), Laboratory Testing
Device · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 13, 2023 · Synced Sep 6, 2026, 2:56 PM EDT