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Showing 1–24 of 158 matching trials from the live ClinicalTrials.gov search.
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Conditions
Dim Light Vision Disturbances
Interventions
Phentolamine Ophthalmic Solution 0.75%, Phentolamine Ophthalmic Solution Vehicle (Placebo)
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
17
States / cities
Newport Beach, California • Petaluma, California • Jacksonville, Florida + 12 more
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
Depression, Anxiety, Visual Impairment, Adjustment, Adjustment Disorder With Anxious Mood, Adjustment Disorder With Depressed Mood, Blindness, Acquired, Blindness and Low Vision, Vision Loss
Interventions
Integrated Cognitive Behavioral Therapy (CBT) & Mindfulness Group Intervention for Adjustment to Vision Loss
Behavioral
Lead sponsor
The Chicago Lighthouse
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Diabetic Retinopathy
Interventions
ruboxistaurin, placebo
Drug
Lead sponsor
Chromaderm, Inc.
Industry
Eligibility
18 Years and older
Enrollment
685 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Indianapolis, Indiana
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Emergency Egress and Information System for Persons With Vision Loss

NCT00262509
Conditions
Blindness
Interventions
Egress Badge
Device
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
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
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
Recruiting Not applicable Interventional

Neurologic Stem Cell Treatment Study

NCT02795052
Conditions
Neurologic Disorders, Nervous System Diseases, Neurodegenerative Diseases, Neurological Disorders, Stroke, Traumatic Brain Injury, Cadasil, Chronic Traumatic Encephalopathy, Cerebral Infarction, Cerebral Ischemia, Cerebral Stroke, Cerebral Hemorrhage, Parkinson, Multi-System Degeneration, MSA - Multiple System Atrophy, Progressive Supranuclear Palsy, ALS, Amyotrophic Lateral Sclerosis, Neuropathy, Diabetic Neuropathies, Alzheimer Disease, Dementia, Frontotemporal Dementia, Lewy Body Disease, Cognitive Impairment, Lewy Body Variant of Alzheimer Disease
Interventions
Intravenous and Intranasal BMSC
Procedure
Lead sponsor
MD Stem Cells
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2028
U.S. locations
2
States / cities
Westport, Connecticut • Coral Springs, Florida
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
Ocuphire Pharma, 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
Central Retinal Vein Occlusion
Interventions
Tissue Plasminogen Activator
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 90 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Cortical/Cerebral Visual Impairment, Cerebral Palsy
Interventions
eye gaze technology
Other
Lead sponsor
Rockhurst University
Other
Eligibility
2 Years to 10 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Missouri
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
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Neurodevelopmental Outcomes in Cerebral Visual Impairment

NCT07212010
Conditions
Cerebral Visual Impairment
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Months to 72 Months
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2031
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Postural Balance
Interventions
Balancing Act exercise curriculum, Informational Brochure
Other
Lead sponsor
University of Maine
Other
Eligibility
62 Years and older
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
3
States / cities
Biddeford, Maine • Orono, Maine • Portland, Maine
Conditions
Mesopic Vision, Night Vision Loss
Interventions
phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist, Placebo
Drug
Lead sponsor
Ocuphire Pharma, Inc.
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
25
States / cities
Pheonix, Arizona • Scottsdale, Arizona • Bakersfield, California + 20 more
Conditions
Blindness
Interventions
Blindness
Procedure
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Results available

Electric Stimulation of the Eye to Improve Vision After Trauma

NCT02019927
Conditions
Non-arteritic Anterior Ischemic Optic Neuropathy (NAION), Trauma, Multiple Sclerosis (MS)
Interventions
Transcorneal Electrical Stimulation, Sham
Device
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Central 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
493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
30
States / cities
Phoenix, Arizona • La Jolla, California • Mountain View, California + 24 more
Completed No phase listed Observational

The Eye in Orbit: UCF Adaption

NCT06092359
Conditions
Spaceflight Associated Neuro-Ocular Syndrome, SANS
Interventions
Not listed
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Orlando, Florida
Completed No phase listed Observational Accepts healthy volunteers

Refractive Accuracy of "2WIN" and Portable Autorefractors

NCT04249505
Conditions
Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment, Hyperopia of Both Eyes
Interventions
"2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
Device
Lead sponsor
Alaska Blind Child Discovery
Other
Eligibility
6 Months to 95 Years
Enrollment
708 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Anchorage, Alaska
Terminated Not applicable Interventional Results available

Spatial Cognitive Training

NCT03423654
Conditions
Blind
Interventions
Spatial Training, Letter number matching
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
50 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Atlanta, Georgia • Decatur, Georgia
Conditions
Optic, Atrophy, Hereditary, Leber
Interventions
GS010, Sham Intravitreal Injection
Biological · Device
Lead sponsor
GenSight Biologics
Industry
Eligibility
15 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
3
States / cities
Los Angeles, California • Atlanta, Georgia • Philadelphia, Pennsylvania
Conditions
Stargardt Disease, Stargardt Macular Dystrophy, Stargardt-like Macular Dystrophy
Interventions
ASP2020
Drug
Lead sponsor
Astellas Institute for Regenerative Medicine
Industry
Eligibility
6 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Age-related Macular Degeneration
Interventions
Brolucizumab 6 mg, Aflibercept 2 mg
Biological
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
50 Years and older
Enrollment
734 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
24
States / cities
Phoenix, Arizona • Huntington Beach, California • Loma Linda, California + 20 more