Clinical trials: Visual Field Defects, open to volunteers
Pseudotumor Cerebri
Multifocal Chromatic Pupilloperimetry in Patients With Pseudotumor Cerebri and Healthy Subjects.
PTC(Pseudotumor cerebri) patients may develop increased Intracranial pressure (ICP) that can produces increased pressure around the distal optic nerve,which is likely followed by venule compression, ischemia, and loss of visual…
- Trial name
- NCT03304314
- Testing
- objective chromatic multifocal pupillometer
- Where
- Israel
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sheba Medical Center
Retinopathy of Prematurity (ROP), Prematurity Complications
Retinopathy of Prematurity - Visual Function and Retinal Structure
Children born prematurely may develop a characteristic retinal disease named retinopathy of prematurity (ROP). This disease could lead to retinal detachment and blindness.
- Conditions
- Retinopathy of Prematurity (ROP), Prematurity Complications, Cerebral Visual Impairment, Visual Field Defect
- Trial name
- NCT07427719
- Where
- Norway
- Volunteers
- 140 people
- Sponsor
- Oslo University Hospital
Hemianopia, Visual Field Defect Following Cerebrovascular Accident
Screening and Rehabilitation of Visual Field Defects in Post-Stroke Patients
In this study, the investigators will use a wearable device capable of performing this bedside assessment to evaluate the incidence of visual field loss in post-stroke patients.
- Trial name
- SCRiCaViPS (NCT07317739)
- Testing
- Early multisensory audio-visual stimulation training, Early visual field test
- Volunteers
- 300 people
- Sponsor
- Fondazione David Chiossone - Impresa Sociale
Visual Field Defect, Peripheral, Stroke
Improving Visual Field Deficits With Noninvasive Brain Stimulation
This is a randomized, pilot interventional study in participants with visual field deficit (VFD) caused by cortical lesion. Damage to the primary visual cortex (V1) causes a contra-lesional, homonymous loss of conscious vision…
- Conditions
- Visual Field Defect, Peripheral, Stroke, Visual Impairment, Hemianopsia
- Trial name
- NCT05085210
- Testing
- transcranial random noise stimulation (tRNS), Computer Based Visual Training, Virtual Reality Based Visual Training
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Beth Israel Deaconess Medical Center
Glaucoma, Open-Angle
Nicotinamide in Glaucoma (NAMinG): A Randomised, Placebo-controlled, Multi-centre, Phase III Trial
Glaucoma is the leading cause of sight impairment and blindness worldwide. It is a long-term eye disease which can cause permanent loss of sight and sometimes blindness and affects 1 in 50 people over 50 years of age.
- Trial name
- NAMinG (NCT05405868)
- Testing
- Nicotinomide
- Where
- 10 sites in United Kingdom
- Volunteers
- 496 people
- Sponsor
- University College, London
Primary Open Angle Glaucoma
Glaucoma, Visual Field Loss, and Their Association With Life Space in Older Adults
Mobility refers to a person's purposeful movement through the environment from one place to another and can be conceptualized as a continuum from bed bound (immobility) on one extreme to making excursions to distant locations on…
- Trial name
- NCT04396002
- Testing
- Life Space Questionnaire, Low Luminance Questionnaire, Contrast sensitivity under dim illumination
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Visual Field Defect, Peripheral
Virtual Reality Visual Field Testing as an Alternative in Childhood Eye Disease
The purpose of this study is to test a new way of measuring the peripheral vision (called a visual field test) using a device which can be worn as goggles rather than being a large instrument the patient must sit at.
- Trial name
- NCT05150197
- Testing
- VisuALL, Humphrey Visual Field
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Visual Field Defect, Stroke
Home-based Vision Rehabilitation Guided by Brain Imaging
The BRIGHT (Behavioral Rehabilitation Through Image-Guided Home-based Training) study aims to evaluate the effectiveness of image-guided, home-based perceptual training at improving visual performance in individuals with visual…
- Conditions
- Visual Field Defect, Stroke, Hemianopia Homonymous, Quadrantanopia
- Trial name
- BRIGHT (NCT07635329)
- Testing
- High-level perceptual learning-based training, Low-level perceptual learning-based training
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Georgetown University
Stroke
Pilot RCT of Computer-based Eye Movement Training
The goal of this study is to learn whether NeuroEyeCoach, a computer-based eye movement training programme, can help stroke survivors with visual field loss. The study will also assess whether a larger clinical trial is feasible.
- Trial name
- CRYSTAL (NCT07752563)
- Testing
- NeuroEyeCoach eye movement training, Usual Care
- Volunteers
- 60 people
- Sponsor
- Glasgow Caledonian University
Stroke, Visual Impairment
Effectiveness of AV-stimulation in Immersive VR to Improve Visual Perception and Driving Performance
The goal of this clinical trial is to evaluate the effectiveness of an immersive virtual-reality (IVR) based stimulation program, in improving visual perception for people who have lost their driver's license due to perceptual or…
- Conditions
- Stroke, Visual Impairment, Low Vision, Virtual Reality
- Trial name
- Re:DriVR (NCT05703360)
- Testing
- Audiovisual Stimulation
- Where
- 2 sites in Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto
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 Field Defects, Visual Field Loss
Study on the Effectiveness and Safety of VRT in Patients With Visual Field Defects
The goal of this clinical trial is to learn if visual restoration therapy (VRT) (a type of treatment that aims to improve vision) works to the visual rehabilitation of patients with visual field defects.
- Trial name
- NCT06914505
- Testing
- visual restoration therapy
- Volunteers
- 58 people
- Sponsor
- Xuanwu Hospital, Beijing
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
Retinitis Pigmentosa (RP), Rod Cone Dystrophy
Brain Stimulation Effects on Orientation and Mobility Skills in Adults With Vision Impairment
This pilot clinical trial evaluates whether non-invasive brain stimulation improves the orientation and mobility (O\&M) skills of individuals with constricted visual fields in both eyes. The study is composed of three visits.
- Conditions
- Retinitis Pigmentosa (RP), Rod Cone Dystrophy, Visually Impaired Persons, Peripheral Visual Field Defect of Both Eyes
- Trial name
- NCT07341763
- Testing
- Active hf-tRNS.
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of Waterloo
Glaucoma
Evaluation of Different Perimetric Grids to Detect Central Visual Field Defect in Glaucoma Patients With Reduce Ganglion Cell Layer Thickness Measured by Spectral Domain OCT.
The aim of the study is to evaluate the agreement between three different grids in detecting central visual field defect in early glaucoma patients with reduced ganglion cell layer thickness.
- Trial name
- NCT06227611
- Where
- 2 sites in Italy
- Volunteers
- 16 people
- Sponsor
- Fondazione G.B. Bietti, IRCCS
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
Stroke, Ischemic, Quadrantanopia
Vision Loss Impact on Navigation in Virtual Reality
The purpose of this research is to better understand the impact of cortically-induced blindness (CB) and the compensatory strategies subjects with this condition may develop on naturalistic behaviors, specifically, driving.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Hemianopsia, Homonymous, Hemianopia, Homonymous
- Trial name
- NCT06047717
- Testing
- Virtual Reality Driving Task
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Visual Field Defect Homonymous Bilateral
Neurofeedback-based Visual Restoration Therapy
Visual field defects are a common consequence of acquired brain injuries and affect people of all ages. These vision problems make everyday life more difficult-for example, when reading, driving, or moving around safely.
- Trial name
- ReViseNetFeed (NCT07237412)
- Testing
- neurofeedback
- Where
- 2 sites in Switzerland
- Volunteers
- 14 people
- Sponsor
- Adrian Guggisberg
Visual Field Defect, Stroke
Vision Improvement Through Behavioral Rehabilitation And Neuroplasticity Training
The VIBRANT (Vision Improvement through Behavioral Rehabilitation And Neuroplasticity Training) study is a prospective, double-blind, crossover design (within-subject) in participants with homonymous hemianopia-a type of visual…
- Conditions
- Visual Field Defect, Stroke, Hemianopia, Quadrantanopia
- Trial name
- VIBRANT (NCT07105358)
- Testing
- transcranial random noise stimulation (tRNS), Perceptual learning-based training
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Georgetown University
Hemianopsia, Visual Field Defect, Peripheral
Hemianopsia Rehabilitation After Stroke or Brain Injury
In patients with hemianopsia following stroke or brain injury, we will determine if stimulating the visual field with images from a PowerPoint slide set can increase the visual field.
- Conditions
- Hemianopsia, Visual Field Defect, Peripheral, Visual Impairment
- Trial name
- NCT06241209
- Testing
- PowerPoint program visual stimulation
- Where
- Canada
- Volunteers
- 40 people
- Sponsor
- University of Alberta