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Showing 1–24 of 53 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Intervention Trial in Early Age-related Macular Degeneration

NCT01694680
View directory record Official record
Conditions
Age-related Macular Degeneration (AMD)
Interventions
Lutein-enriched-egg beverage (NWT-02), Placebo
Dietary Supplement
Lead sponsor
Newtricious R&D BV
Industry
Eligibility
50 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 20, 2016 · Synced Sep 6, 2026, 2:02 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Evaluation of the Repeatability and Reproducibility of OCTA Image Quality With the Heidelberg Engineering SPECTRALIS With OCT Angiography Module

NCT03530449
View directory record Official record
Conditions
Retinal Vascular, Normal Eyes
Interventions
OCT Angiography, Color Fundus Photography, Optical Coherence Tomography
Device
Lead sponsor
Heidelberg Engineering GmbH
Industry
Eligibility
22 Years and older
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2019 · Synced Sep 6, 2026, 2:02 AM EDT
Active, not recruiting Not applicable Interventional

Prospective Natural History Study of Retinitis Pigmentosa

NCT04285398
View directory record Official record
Conditions
Retinitis Pigmentosa
Interventions
Ophthalmic examinations, Mobility Test
Other
Lead sponsor
SparingVision
Industry
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Sep 6, 2026, 2:02 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Visual Mode Switching in Color Perception

NCT05779228
View directory record Official record
Conditions
Perception of Things Changing Color, Adaptive Behavior
Interventions
Mode Switching Training
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2032
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

A Cognitive- Behavioral Play Intervention for Siblings of Children Diagnosed With Cancer

NCT01704885
View directory record Official record
Conditions
Any Cancer Diagnosis
Interventions
Play Intervention, Questionnaires
Behavioral · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
4 Years to 10 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 2, 2015 · Synced Sep 6, 2026, 2:02 AM EDT
Not listed Phase 1Phase 2 Interventional

Safety and Efficacy Trial of AAV Gene Therapy in Patients With CNGA3 Achromatopsia (A Clarity Clinical Trial)

NCT02935517
View directory record Official record
Conditions
Achromatopsia
Interventions
AGTC-402
Biological
Lead sponsor
Beacon Therapeutics
Industry
Eligibility
4 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
5
States / cities
Gainesville, Florida • Miami, Florida • Boston, Massachusetts + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2022 · Synced Sep 6, 2026, 2:02 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Ocular Screening in Children and Young Adults at Risk for Increased Intracranial Pressure

NCT03286426
View directory record Official record
Conditions
Intracranial Pressure Increase
Interventions
Pictor
Diagnostic Test
Lead sponsor
Duke University
Other
Eligibility
Up to 21 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Sep 6, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction

NCT02535702
View directory record Official record
Conditions
Normal Physiology
Interventions
In vivo MRS, fMRI, EEG/EOG, Stimulation tasks, NSPRD, Structural MRI
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Not yet recruiting No phase listed Observational Accepts healthy volunteers

Compact Auto-Aligning Multi-Modal Eye Imaging to Diagnose Traumatic Eye Injury

NCT07218835
View directory record Official record
Conditions
Ocular Pathologies
Interventions
Auto-aligning Ocular imaging instrument
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Terminated Not applicable Interventional Results available

Feasibility of EnChroma Use in the Emergency Department Setting

NCT04021914
View directory record Official record
Conditions
Color Vision Defects
Interventions
EnChroma glasses
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2023 · Synced Sep 6, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Impact of Teacher Nonverbal Behaviors on Children's Intergroup Attitudes and Mental Health

NCT03584230
View directory record Official record
Conditions
Stress, Psychological, Stress, Emotional
Interventions
Assigned to positive group, Assigned to negative group
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
54 Months to 102 Months
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Sep 6, 2026, 2:02 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 6, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Color Correcting Lenses on Color Vision Deficiency

NCT05463016
View directory record Official record
Conditions
Color Blindness, Color Vision Defects, Color Blindness, Green, Color Blindness, Red
Interventions
Experimental Group 1: Color Correcting Lenses, Placebo Group 1: Placebo Lenses, Placebo Group 1 Crosses over to become Experimental Group 2: Color Correcting Lenses, Experimental Group 1 Crosses over to become Placebo Group 2: Placebo Lenses, Color Correcting Lenses in Subjects with Normal Color Vision
Device
Lead sponsor
University of the Incarnate Word
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Sep 6, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional

Optimizing Low Vision Rehabilitation in Emotionally Distressed Patients With Inherited Retinal Diseases

NCT06651736
View directory record Official record
Conditions
Inherited Retinal Diseases
Interventions
Low Vision Rehabilitation (LVR), Emotion Regulation Therapy (ERT)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 22, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Beauty from Within Community Screening Project

NCT02588690
View directory record Official record
Conditions
Heart Health Screening and Prevention
Interventions
Fingerstick cholesterol test, Atherosclerosis Cardiovascular Disease Risk assessment, Blood pressure measurement
Procedure · Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
21 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 6, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Impact of Front-of-package Nutrient Labels

NCT06673706
View directory record Official record
Conditions
Nutrition Knowledge, Attitudes, Dietary Habits, Dietary Behavior
Interventions
Front-of-package label
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 99 Years
Enrollment
10,601 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Sep 6, 2026, 2:02 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Control Training for Depression

NCT01454141
View directory record Official record
Conditions
Depression
Interventions
Cognitive Control Training, Peripheral Vision Task
Other
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years to 65 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Contributions of mTBI to Neurodegeneration Due to Chronic Traumatic Encephalopathy (CTE) and Alzheimer's Disease (AD)

NCT04124029
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Moderate Traumatic Brain Injury, Mild Cognitive Impairment
Interventions
No Intervention is used for this study but all subjects will be asked to complete electroencephalogram (EEG) testing and an MRI scan., No intervention is used for this study but all subjects will be asked to complete a venous blood draw procedure and a lumbar puncture procedure.
Device · Procedure
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
30 Years to 90 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluating How Well Different Types of Light-sensitive Cells in the Eye Contribute to Its Focusing Ability

NCT07691463
View directory record Official record
Conditions
Monochromatic, L- and S-cone Modulation Only, L- and M-cone Modulation Only, M and S-cone Modulation Only
Interventions
Color
Other
Lead sponsor
Rochester Institute of Technology
Other
Eligibility
Up to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 6, 2026, 2:02 AM EDT
Completed No phase listed Observational

Color Vision as a Measure for Inherited Retinal Diseases

NCT01878032
View directory record Official record
Conditions
Healthy Volunteer, Retinal Disease, Inherited Retinal Degeneration
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
5 Years and older
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 6, 2026, 2:02 AM 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, 2:02 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 28, 2012 · Synced Sep 6, 2026, 2:02 AM EDT
Not listed Not applicable Interventional

Combined Effects of Diabetes Self-Management Education and Nutritional Supplementation on Visual Function and Retinopathy

NCT04120077
View directory record Official record
Conditions
Diabetes Mellitus, Diabetic Retinopathy
Interventions
EyePromise DVS, EyePromise DVS plus EyePromise EZTears
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Sep 6, 2026, 2:02 AM EDT
Completed Not applicable Interventional Results available

Vidatalk Communication Application: Usability, Acceptability and Efficacy Study

NCT02921776
View directory record Official record
Conditions
Nonverbal Communication, Critical Illness
Interventions
Aim 1 - VidaTalk - post-extubation, Aim 2 - VidaTalk - intubated, Aim 3 - VidaTalk tablet app, Aim 3 - attention-control with non-VidaTalk tablet
Other · Device
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 99 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 30, 2022 · Synced Sep 6, 2026, 2:02 AM EDT