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Showing 505–528 of 989 matching trials from the live ClinicalTrials.gov search.
Suspended No phase listed Observational Accepts healthy volunteers

Autostereoscopic Dynamic Near Vision Testing

NCT04606355
Conditions
Visual Suppression, Amblyopia, Color Vision Defects
Interventions
Visual Acuity, stereopsis, Color vision
Diagnostic Test
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
1 Year to 95 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Anchorage, Alaska
Conditions
Wet Age-related Macular Degeneration, Neovascular Age-related Macular Degeneration
Interventions
ADVM-022
Biological
Lead sponsor
Adverum Biotechnologies, Inc.
Industry
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
11
States / cities
Bakersfield, California • Beverly Hills, California • Golden, Colorado + 8 more
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

NEURO-COGS: Neurometabolic Mechanisms of Cognitive Training in Schizophrenia

NCT07788755
Conditions
Schizophrenia, Schizoaffective Disorder, Cognitive Impairment, Visual Impairment
Interventions
Perceptual Discrimination Training, Cognitive Control Training
Device
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 79 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2031
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Diabetic Foot Ulcer (DFU)
Interventions
OneStep Foot Scanner
Device
Lead sponsor
Bluedrop Medical Limited
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
North Port, Florida • Monroeville, Pennsylvania
Conditions
Low Vision, Age Related Macular Degeneration
Interventions
Visual Feedback
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
14 Years to 99 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Spectacles Lens in Concussed Kids

NCT03123822
Conditions
Concussion, Mild, Convergence Insufficiency, Accommodation; Insufficiency
Interventions
Glasses
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
9 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Brain and Central Nervous System Tumors, Lymphoma, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
filgrastim, exatecan mesylate
Biological · Drug
Lead sponsor
Daiichi Sankyo
Industry
Eligibility
Up to 21 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
4
States / cities
New York, New York • Memphis, Tennessee • Dallas, Texas + 1 more
Conditions
Stroke, Hemiparesis
Interventions
Gait training with visual feedback of joint kinematics
Behavioral
Lead sponsor
Hugo W. Moser Research Institute at Kennedy Krieger, Inc.
Other
Eligibility
20 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Lewy Body Dementia, Visual Hallucinations
Interventions
Nelotanserin, Placebo
Drug
Lead sponsor
Axovant Sciences Ltd.
Industry
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
10
States / cities
Fountain Valley, California • Boca Raton, Florida • Orlando, Florida + 7 more
Conditions
Breast Carcinoma
Interventions
Non-Interventional Study
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Results available

Reminder-cue Scanning Training for Homonymous Visual Field Loss

NCT06136169
Conditions
Homonymous Hemianopia, Homonymous Quadrantanopia
Interventions
Reminder-cue scanning training
Behavioral
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
16 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Amblyopia
Interventions
Eye Patch, Near activities, Distance activities
Device · Procedure
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
3 Years to 6 Years
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
Bloomington, Indiana • Rochester, Minnesota
Conditions
Cataracts
Interventions
Toric, Limbal Relaxing Incision
Device · Procedure
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Blindness
Interventions
BrainPort
Device
Lead sponsor
Akron Children's Hospital
Other
Eligibility
10 Years to 24 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2022
U.S. locations
1
States / cities
Akron, Ohio
Conditions
Amblyopia
Interventions
Gocheck Kids, Welch Allyn Spot Vision Screener, Physical Exam
Device · Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
1 Year to 7 Years
Enrollment
227 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Completed No phase listed Observational Accepts healthy volunteers Results available

Patient Perception of Visual Distortions

NCT02203747
Conditions
Cataract, Astigmatism
Interventions
Administration of patient self-assessment
Other
Lead sponsor
Abbott Medical Optics
Industry
Eligibility
22 Years and older
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Santa Ana, California
Conditions
Cancer
Interventions
cyproheptadine hydrochloride, placebo
Drug · Other
Lead sponsor
University of South Florida
Other
Eligibility
2 Years to 21 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
14
States / cities
Long Beach, California • Hartford, Connecticut • Wilmington, Delaware + 10 more
Recruiting No phase listed Observational Accepts healthy volunteers

Top-Down Attentional Control of Visual-Processing

NCT01087281
Conditions
Focal Brain Lesion, Focal Lesions, fMRI
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 100 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Chronic Venous Disease, Chronic Venous Insufficiency, CVI, Venous Thrombosis, Thrombosis (Stent Thrombosis), Thrombosis, Venous, Embolism and Thrombosis, Thrombectomy
Interventions
Recanalization and debulking
Device
Lead sponsor
Intervene, Inc.
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Vestibular Hypofunction, Binocular Vision Abnormalities, Reduced Vision
Interventions
StableEyes: Incremental Vestibulo-Ocular Reflex Adaptation (IVA)
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 60 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
2
States / cities
Atlanta, Georgia
Conditions
Usher's Syndrome
Interventions
Blood draw for the laboratory assessment
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2031
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Visual Acuity, Visual Disturbance, Intraocular Pressure
Interventions
Not listed
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
New York, New York
Conditions
SCHIZOPHRENIA 1 (Disorder), Schizo Affective Disorder
Interventions
transcranial direct current stimulation, Sham stimulation
Device
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 55 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Orangeburg, New York
Recruiting Not applicable Interventional Accepts healthy volunteers

tFUS Induced Transient Scotoma for Individual Dosing

NCT06426498
Conditions
Healthy
Interventions
Brainsonix Bx Pulsar machine tFUS
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Charleston, South Carolina