Independent directory Public ClinicalTrials.gov records United States
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 22, 2026, 12:31 PM 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 192 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of "Smart Wheelchairs" to Provide Independent Mobility to Visual and Mobility Impairments

NCT00333762
Conditions
Blindness, Spinal Cord Injury
Interventions
Smart Power Assistance Module (SPAM), Smart Wheelchair Component System (SWCS)
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
Decatur, Georgia • Pittsburgh, Pennsylvania
Conditions
Eye Diseases, Visual Impairment, Glaucoma
Interventions
Standard optometric examination, Technology enhanced eye disease detection protocol
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Flint, Michigan
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
Conditions
Retinitis Pigmentosa, Retinitis, Retinal Diseases, Eye Diseases, Eye Diseases, Hereditary, Retinal Dystrophies, Retinal Degeneration
Interventions
Gene Therapy product-MCO-010
Biological
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Beverly Hills, California • Pensacola, Florida • Fargo, North Dakota + 2 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Visual Remapping to Aid Reading With Field Loss

NCT03848663
Conditions
Age-related Macular Degeneration
Interventions
Traditional Remapping, Personalized Remapping
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
16 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Low Vision
Interventions
Low vision
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Vision, Low
Interventions
Optical Aids
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
5 Years to 17 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Charleston, South Carolina
Completed Not applicable Interventional

VA Low Vision Intervention Trial

NCT00223756
Conditions
Vision, Low
Interventions
Low Vision Intervention - Outpatient Training Program
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Hines, Illinois
Conditions
Cortical Visual Impairment
Interventions
Occupational therapy
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Months to 83 Months
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Completed Not applicable Interventional Results available

Wayfinding Information Access System for People With Vision Loss

NCT00829036
Conditions
Blindness
Interventions
Wayfinding Prototype
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Decatur, Georgia
Conditions
Branch Retinal Vein Occlusion
Interventions
Brolucizumab 6 mg, Aflibercept 2 mg, Sham injection
Drug · Other
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
26
States / cities
Phoenix, Arizona • Mountain View, California • Santa Barbara, California + 21 more
Conditions
Macular Degeneration, Geographic Atrophy, Stargardt Disease
Interventions
Observational
Other
Lead sponsor
Nanoscope Therapeutics Inc.
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Dallas, Texas
Not listed Not applicable Interventional Accepts healthy volunteers

Peripheral Reading

NCT03640130
Conditions
Central Visual Impairment
Interventions
Gaze-contingent text enhancement
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Conditions
Visual Impairment
Interventions
Non invasive visual acuity testing
Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Low Vision Blindness, Visual Impairment, Quality of Life, Functional Visual Loss
Interventions
Visual Information Training, Multimodal training
Behavioral
Lead sponsor
State University of New York College of Optometry
Other
Eligibility
12 Years to 99 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Results available

Scotoma Perimetry Oculomotor Training

NCT05456581
Conditions
Macular Degeneration, Central Visual Impairment
Interventions
'Scotoma awareness' Training, Control Training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Completed No phase listed Observational Accepts healthy volunteers

Sight and Hearing Investigation Into Effects on Delirium

NCT06176625
Conditions
Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium, Delirium in Old Age, Delirium of Mixed Origin, Delirium With Dementia, Delirium on Emergence, Delirium, Cause Unknown, Delirium Superimposed on Dementia, Delirium Confusional State, Delirium;Non Alcoholic, Hearing Loss, Bilateral, Hearing Loss, Sensorineural, Hearing Loss, Functional, Hearing Loss, High-Frequency, Hearing
Interventions
Communication Signage, Amplifier Use
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
65 Years and older
Enrollment
1,543 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Pre-Eclampsia, Hypertension, Proteinuria in Pregnancy, Thrombocytopenia, Renal Insufficiency, Impaired Liver Function, Pulmonary Edema, Headache, Visual Impairment
Interventions
Non-interventional study
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
24
States / cities
San Diego, California • Newark, Delaware • Boca Raton, Florida + 19 more
Completed Not applicable Interventional Accepts healthy volunteers

Peripheral Vision Training Study

NCT03141164
Conditions
Visual Impairment, Cognitive Change
Interventions
computerized training
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
CLN3-related Disorders, Non-CLN3 Related Low Vision
Interventions
OrCam MyEye 2
Device
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
6 Years to 18 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Terminated Not applicable Interventional Results available

Evoked Retinal Response

NCT01415453
Conditions
Retinitis Pigmentosa
Interventions
Ultrasound Stimulus
Procedure
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 60 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers

Countermeasures for Visual Impairment in Astronauts

NCT05016414
Conditions
Space Flight Associated Neuro-ocular Syndrome
Interventions
Lower body negative pressure
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Conditions
Low Vision
Interventions
Not listed
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 81 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Sensory Substitution and Brain Plasticity Following Vision Loss

NCT07450677
Conditions
Blindness
Interventions
Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight), Sham
Device
Lead sponsor
Stanford University
Other
Eligibility
8 Years to 85 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Palo Alto, California • Stanford, California