Clinical trials: Hemianopsia
Stroke, Ischemic, Brain Injuries
Rehabilitation of Visual Function After Brain Injury
In Denmark, about 120,000 people suffer from brain damage, of whom approx. 75,000 with brain damage after stroke. Serious and often lasting vision impairments affect 20% to 35% of people after stroke.
- Conditions
- Stroke, Ischemic, Brain Injuries, Stroke Hemorrhagic, Traumatic Brain Injury
- Trial name
- IBOS-NVT (NCT03160131)
- Testing
- Neuro Vision Technology
- Where
- Denmark
- Volunteers
- 56 people
- Sponsor
- University Hospital, Gentofte, Copenhagen
Visual Fields Hemianopsia, Hemianopsia, Homonymous
Visual Perceptual Learning Based Digital Therapeutics for Visual Field Defect After Stroke
This study evaluates the efficacy of visual perceptual learning for the treatment of visual field defect caused by brain disease. Half of participants will receive visual perceptual training using the VIVID Brain.
- Trial name
- NCT05525949
- Testing
- VIVID Brain, No-treatment Control
- Where
- 12 sites in South Korea
- Volunteers
- 93 people
- Sponsor
- Nunaps Inc
Homonymous Hemianopia
Clinical Trial of Multi-Periscopic Prism Glasses for Hemianopia
This clinical trial will evaluate the efficacy of two types of high-power prism glasses that provide field of view expansion for patients with homonymous hemianopia (the complete loss of half the field of vision on the same side…
- Trial name
- NCT04827147
- Testing
- Multi-Periscopic Prism (MPP) glasses, Fresnel Peripheral Prism (FPP) glasses
- Where
- 8 sites in United States
- Volunteers
- 64 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Stroke, Ischemic, Quadrantanopia
Visual Rehabilitation After Occipital Stroke
This research aims to examine changes in plastic potential of the visual system with time from stroke affecting primary visual cortex.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Vision Loss Partial, Visual Field Defect, Peripheral
- Trial name
- NCT04798924
- Testing
- Subacute Training in the intact field, Subacute Training in the blind field, Chronic Training in the blind field
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Rochester
Stroke, Visual Field Loss
Vision on the Road: Vision Rehabilitation for Driving After Stroke
The goal of this clinical trial is to learn if vision training works to improve functional vision in people with visual field loss after stroke.
- Conditions
- Stroke, Visual Field Loss, Hemianopia
- Trial name
- DRIVE (NCT07147660)
- Testing
- Compensatory scanning training, Delayed Compensatory scanning training
- Where
- 2 sites in Norway
- Volunteers
- 52 people
- Sponsor
- University of South-Eastern Norway
Visual Fields Hemianopsia, Stroke, Ischemic
Repetitive Transcranial Magnetic Stimulation for Post-Stroke Visual Field Defects
Visual field defects (VFD) usually do not show improvement beyond 12 weeks from onset. Plasticity occurs in areas of residual vision (ARV) at the visual field which are the functional counterpart of partially damaged brain…
- Conditions
- Visual Fields Hemianopsia, Stroke, Ischemic, Stroke Hemorrhagic
- Trial name
- NCT04021160
- Testing
- High frequency repetitive transcranial magnetic stimulation (rTMS)
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Ain Shams University
Cortical Blindness
Multisensory Rehabilitation of Vision Loss After Cortical Damage
Damage to visual cortex on one side of the brain frequently produces a profound and permanent blindness in contralesional space (hemianopia), a debilitating condition that causes enormous suffering for patients and their families.
- Trial name
- NCT07659691
- Testing
- Multisensory Rehabilitation
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Wake Forest University Health Sciences
Hemianopsia, Homonymous
Testing of a Functional Outcome Measure for Those With Visual Field Defects
This study is designed in two Phases. In phase 1, the Functional Outcome Measure will be tested to determine its validity and reliability in three populations, subjects that have not had a stroke and have no visual field defect…
- Trial name
- FOM (NCT00731796)
- Testing
- Functional Outcome Measure
- Where
- 3 sites in United States
- Volunteers
- 190 people, healthy volunteers welcome
- Sponsor
- NovaVision, Inc.
Vision Loss Partial, Hemianopia
Effect of Visual Retraining on Visual Loss Following Visual Cortical Damage
This project is intended to collect data using standard clinical tests and psychophysics to quantify the effect of visual cortical damage on the structure of the residual visual system, visual perception, spatial awareness, and…
- Conditions
- Vision Loss Partial, Hemianopia, Hemianopia Homonymous, Quadrantanopia
- Trial name
- NCT05098236
- Testing
- Training in the Blind Field, Training in the Sighted Field
- Where
- United States
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Homonymous Hemianopia, Homonymous Quadrantanopia
Reminder-cue Scanning Training for Homonymous Visual Field Loss
This study will evaluate a new approach to training people with visual field loss to scan when driving
- Trial name
- NCT06136169
- Testing
- Reminder-cue scanning training
- Where
- United States
- Volunteers
- 16 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Homonymous Hemianopsia
Ongoing Effect of Expansion Prisms Following the Discontinuation of Use on Visual Field Enlargement and Retrograde Ganglion Cell Degeneration in Homonymous Hemianopia Patients
The goal of this observational study is to learn about the long-term effects of Pelli prism in Hemianopia patients who take Prisms for awareness of the area they cannot see.
- Trial name
- NCT06674369
- Testing
- Peli prism for hemianopia
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Okan University
Homonymous Hemianopsia, Homonymous Quadrantanopia
PAVE (Parallactic Visual-Field Enhancement) System for Treatment of Chronic Visual Field Loss Due to Stroke, Traumatic Brain Injury, or Brain Surgery
This is a research study to evaluate the effectiveness of the PAVE (Parallactic Visual-Field Enhancement) System for the treatment of chronic visual field loss due to stroke, traumatic brain injury, or brain surgery.
- Trial name
- NCT07185971
- Testing
- PAVE (Parallactic Visual-Field Enhancement) treatment using a virtual reality head mounted display
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- NeuroAEye LLC
Hemianopsia, Virtual Reality
Effectiveness of a Visual Telerehabilitation Program on Visual Perception in Children, Adolescents and Young Adults With Hemianopsia Consecutive to a Brain Tumour
Evaluate the efficiency of audiovisual stimulation in virtual reality for improving the visual perception of children, adolescents, and young adults with hemianopia resulting from pediatric brain tumors.
- Conditions
- Hemianopsia, Virtual Reality, Visual Rehabilitation, Pediatric Brain Tumor
- Trial name
- REVIIH-BT (NCT07558395)
- Testing
- Visual Stimulation, standard of care
- Where
- 8 sites in Austria, Denmark and 5 more
- Volunteers
- 120 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Homonymous Hemianopia, Stroke
Anatomical and Functional Predictions of Blindsight Capabilities in Patients With Lateral Hemianopsia
Homonymous lateral hemianopia (HLH) is characterized by loss of vision in half the visual field, and is the most common neurovisual disorder following stroke.
- Conditions
- Homonymous Hemianopia, Stroke, Cortical Blindness, Hemianopia
- Trial name
- PRE-SIGHT (NCT06636994)
- Where
- France
- Volunteers
- 50 people
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Hemianopia Homonymous, Stroke
Effects of Optokinetic Stimulation Without a Reading Task in Patients With Hemianopic Alexia
The goal of this clinical trial is to investigate whether optokinetic stimulation delivered without a reading task can improve reading performance in adults with post-stroke hemianopic alexia.
- Trial name
- OPTO (NCT07830745)
- Testing
- Optokinetic stimulation without reading task, Optokinetic stimulation with reading task
- Where
- France
- Volunteers
- 30 people
- Sponsor
- Clinique Les Trois Soleils
Hemianopia, Homonymous, Tunnel Vision
Feasibility Tests for Various Prism Configurations for Visual Field Loss
The investigators will develop and test different configurations of high-power prisms to expand the field of vision of patients with visual field loss to assist them with obstacle detection when walking.
- Conditions
- Hemianopia, Homonymous, Tunnel Vision, Visual Field Defect, Peripheral, Visual Field Constriction Bilateral
- Trial name
- NCT04424979
- Testing
- High power prisms
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Stroke, Visual Field Defect
Visual Restoration Using Focused Ultrasound Stimulation and Immersive Virtual Reality After Stroke
This research will explore if brain stimulation combined with virtual reality therapy improves visual impairment. The stimulation technique is called low-intensity focused ultrasound stimulation (LIFUS).
- Conditions
- Stroke, Visual Field Defect, Visual Field Defect Following Cerebrovascular Accident, Hemianopia
- Trial name
- LIFU-IVR (NCT06875206)
- Testing
- Low-intensity focused ultrasound, Immersive virtual reality, Inactive Low-intensity focused ultrasound
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- Duke University
Hemianopia
Multisensory Rehabilitation of Hemianopia
The current proposal is to generate "proof of concept" evidence that hemianopia can be successfully rehabilitated in humans when this multisensory rehabilitation paradigm is used.
- Trial name
- NCT04963075
- Testing
- multisensory rehabilitation paradigm
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Wake Forest University Health Sciences