Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 10, 2026, 11:30 AM EDT

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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Cataracts, Alzheimer's Disease
Interventions
Immediate Cataract Surgery
Procedure
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
50 Years to 90 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2017
U.S. locations
2
States / cities
Cleveland, Ohio
Conditions
Central Visual Impairment, Macular Degeneration
Interventions
Training visual sensitivity, Combination training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Statistical Learning as a Novel Intervention for Cortical Blindness

NCT06578117
Conditions
Stroke, Ischemic, Hemianopia, Homonymous, Hemianopsia, Occipital Lobe Infarct, Visual Field Defect, Peripheral, Vision Loss Partial, Quadrantanopia, Stroke Hemorrhagic
Interventions
Vision Training and Learning Task
Device
Lead sponsor
University of Rochester
Other
Eligibility
21 Years to 75 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, New York
Conditions
Spinocerebellar Ataxia
Interventions
Not listed
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
2
States / cities
Jackson, Mississippi • Galveston, Texas
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Idiopathic Intracranial Hypertension Treatment Trial

NCT01003639
Conditions
Idiopathic Intracranial Hypertension
Interventions
Acetazolamide, Placebo, Formal weight loss counselling program
Drug · Behavioral
Lead sponsor
St. Luke's-Roosevelt Hospital Center
Other
Eligibility
18 Years to 60 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
39
States / cities
Birmingham, Alabama • Los Angeles, California • Waterbury, Connecticut + 31 more
Conditions
Scotoma, Central, Central Visual Impairment
Interventions
Visuo-motor training
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
55 Years to 95 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Kansas City, Missouri
Conditions
Concussion, Eye
Interventions
Not listed
Lead sponsor
Gaylord Hospital, Inc
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
New Haven, Connecticut • Wallingford, Connecticut
Active, not recruiting Not applicable Interventional

Visual Rehabilitation After Occipital Stroke

NCT04798924
Conditions
Stroke, Ischemic, Quadrantanopia, Vision Loss Partial, Visual Field Defect, Peripheral, Peripheral Visual Field Defect of Both Eyes, Peripheral Visual Field Defect, Hemianopsia, Hemianopia, Homonymous Hemianopia, Homonymous Hemianopsia, Visual Fields Hemianopsia, Occipital Lobe Infarct, Quadrantanopsia, Stroke Hemorrhagic
Interventions
Subacute Training in the intact field, Subacute Training in the blind field, Chronic Training in the blind field
Device
Lead sponsor
University of Rochester
Other
Eligibility
21 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
1
States / cities
Rochester, New York
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
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
Conditions
Blindness
Interventions
Not listed
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Newark, New Jersey
Completed Not applicable Interventional

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
Conditions
Hemianopia, Homonymous, Cortical Blindness, Unspecified Side of Brain
Interventions
Multisensory Training, Unisensory Training
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Collision Warning Device for Blind and Visually Impaired

NCT03057496
Conditions
Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness, Retinitis Pigmentosa, Glaucoma
Interventions
Collision warning device
Device
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
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
Visual Field Defect, Stroke, Hemianopia Homonymous, Quadrantanopia, Cortical Blindness, Visual Field Defect, Peripheral, Visual Field Loss, Traumatic Brain Injury, Brain Tumor
Interventions
High-level perceptual learning-based training, Low-level perceptual learning-based training
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Amblyopia, Anisometropia, Strabismus
Interventions
Atropine, Patch
Drug · Device
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Stroke, Neurologic Disorder, Traumatic Brain Injury, Acquired Brain Injury
Interventions
Table Top Visual Intervention, Bioness Integrated Therapy System Visual Intervention
Other · Device
Lead sponsor
Gaylord Hospital, Inc
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wallingford, Connecticut
Conditions
Visual Field Defect, Stroke, Hemianopia, Quadrantanopia, Cortical Blindness, Brain Tumor, Traumatic Brain Injury, Visual Field Defect, Peripheral
Interventions
transcranial random noise stimulation (tRNS), Sham Stimulation, Perceptual learning-based training
Device · Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Parkinson Disease
Interventions
Low Vision Occupational Therapy
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Low Vision, Central Visual Impairment, Macular Degeneration
Interventions
eccentric viewing training with biofeedback
Behavioral
Lead sponsor
New England College of Optometry
Other
Eligibility
14 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Amblyopia, Anisometropic Ambyopia, Amblyopia, Suppression
Interventions
Anodal stimulation
Procedure
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Bethesda, Maryland
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Factors in Learning And Plasticity: Healthy Vision

NCT05439759
Conditions
Central Visual Impairment, Macular Degeneration
Interventions
Condition 1: Training visual sensitivity, Condition 2: Training spatial integration, Condition 3: Training spatial attention, Condition 4: Combination training
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 30 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
2
States / cities
Birmingham, Alabama • Riverside, California
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