Clinical trials: Cerebral Visual Impairment
Age-related Macular Degeneration, Dementia
Words on the Brain: Can Reading Rehabilitation for Age-Related Vision Impairment Improve Cognitive Functioning?
Age-related vision impairment and dementia both become more prevalent with increasing age. Research into the mechanisms of these conditions has proposed that some of their causes (e.g., macular degeneration/glaucoma and…
- Conditions
- Age-related Macular Degeneration, Dementia, Low Vision, Low Vision Aids
- Trial name
- WOTB (NCT04276610)
- Testing
- Low Vision Reading Rehabilitation
- Where
- 2 sites in Canada
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Cognitive Impairment, Dementia
Determinants of Cognitive Impairment Among Geriatrics
This study aims to explore the determinants of cognitive impairment among Indonesian geriatrics in an Old Age Home.
- Conditions
- Cognitive Impairment, Dementia, Hearing Impairment, Vision Impairment and Blindness
- Trial name
- NCT03669536
- Where
- Indonesia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tarumanagara University
Parkinson Disease, Visual Impairment
The Correlation of Reduction of Levodopa and Non-motor Symptoms of Parkinson's Disease After Deep Brain Stimulation
Patients with parkinson disease (PD) usually reduced the dose the levodopa after received deep brain stimulation (DBS). However, studies seldomly mentioned about the influences on non-motors systems after the reduction.
- Trial name
- NCT05901350
- Testing
- Levodopa
- Where
- China
- Volunteers
- 338 people, healthy volunteers welcome
- Sponsor
- Qilu Hospital of Shandong University
Amblyopia, Strabismus
Attention-based Binocular Training for Impaired Stereopsis (BRAVE)
This study evaluates a novel attention-based binocular visual search training paradigm designed to improve stereopsis (stereo vision) in individuals with impaired binocular vision.
- Conditions
- Amblyopia, Strabismus, Anisometropia, Binocular Vision Abnormalities
- Trial name
- BRAVE (NCT07803458)
- Testing
- Attention-Guided Dichoptic Visual Search Training, Zero-Disparity Dichoptic Visual Search Task
- Where
- 2 sites in Hong Kong
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Centre for Eye and Vision Research
Stroke, Ischemic, Hemianopia, Homonymous
Statistical Learning as a Novel Intervention for Cortical Blindness
This project aims to develop a novel visual training paradigm for use in visually-intact participants and those sufferings from stroke-induced visual impairments.
- Conditions
- Stroke, Ischemic, Hemianopia, Homonymous, Hemianopsia, Occipital Lobe Infarct
- Trial name
- NCT06578117
- Testing
- Vision Training and Learning Task
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Concussion, Eye
The Effects of Concussion on Gait and Posture in Individuals With Peripheral Vision Loss
Changes in gait and balance often occur in individuals who have suffered a concussion. In addition, a subset of concussed individuals also experience peripheral vision loss.
- Trial name
- NCT05948501
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Gaylord Hospital, Inc
Schizophrenia, Schizoaffective Disorder
NEURO-COGS: Neurometabolic Mechanisms of Cognitive Training in Schizophrenia
This study will examine brain metabolic and excitatory/inhibitory mechanisms related to cognitive and visual functioning in adults with schizophrenia and healthy control participants.
- Conditions
- Schizophrenia, Schizoaffective Disorder, Cognitive Impairment, Visual Impairment
- Trial name
- NCT07788755
- Testing
- Perceptual Discrimination Training, Cognitive Control Training
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Pituitary Adenoma, Visual Impairment
Clinical Study of Structural and Functional Evaluation of the Visual Pathway
Sellar area tumors such as pituitary adenoma, craniopharyngioma and meningioma, etc, commonly lead to visual impairment symptoms.
- Conditions
- Pituitary Adenoma, Visual Impairment, Sellar Tumor, Neuroimaging
- Trial name
- NCT03591315
- Testing
- resting state fMRI, visual tasking state fMRI, diffusion tensor imaging
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiangya Hospital of Central South University
Myopia, Quality of Life
Functional Vision and Quality of Life in a Modern Society - With Emphasis on Myopia and Cerebral Visual Impairment Among Youth
Society has become increasingly digital, and many everyday services have been replaced by digital self-service solutions. This puts greater demands on our vision and our ability to interpret what we see.
- Trial name
- NCT07653074
- Testing
- ophthalmological examination
- Where
- Sweden
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Vision Loss Partial, Vision; Loss, Both Eyes
Effect of Visual Retraining After Stroke
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, Vision; Loss, Both Eyes, Hemianopia Homonymous, Hemianopia
- Trial name
- urochester (NCT06121219)
- Testing
- Training in the Blind Field
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Stroke, Visual Defects
Differentiation of Human Body Balance Disorders
Our research aims to analyze the possibilities of functional assessment of imbalances in the human body. Using the available, commonly known and used tests and devices for objective examination of static and dynamic body balance…
- Conditions
- Stroke, Visual Defects, Labyrinth Diseases, Cervical Spine Degenerative Disease
- Trial name
- NCT07395180
- Testing
- Patients after stroke, Patients with posterior columns of the spinal cord, Patients with labyrinth diseases
- Where
- Poland
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Military Institute od Medicine National Research Institute
Hemianopia, Hemianopsia
Collision Warning Device for Blind and Visually Impaired
This study evaluates a novel collision warning device to help people with severe vision impairment or blindness avoid collisions with obstacles.
- Conditions
- Hemianopia, Hemianopsia, Peripheral Visual Field Defect, Blindness
- Trial name
- NCT03057496
- Testing
- Collision warning device
- Where
- United States
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Blindness
Sensory Substitution and Brain Plasticity Following Vision Loss
The goal of this clinical investigation is to learn how the brain responds when visual information is converted into patterns of sound or touch in blind and sighted participants.
- Trial name
- SenSubMRI (NCT07450677)
- Testing
- Electrotactile display (BrainPort), Vision-to-sound converter (AI Sight)
- Where
- 2 sites in United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Stanford University
Cortical/Cerebral Visual Impairment, Cerebral Palsy
Examining the Effect of Eye Gaze Technology on Children With Cortical Visual Impairment
The goal of this study is to learn about eye gaze technology's use as an assessment and intervention of visual skills and the impact on occupational performance in children with cortical/cerebral visual impairment.
- Trial name
- NCT06067607
- Testing
- eye gaze technology
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rockhurst University
Blindness
Determine the Effect of Intraocular Pressure (IOP), Optic Nerve Imaging, Venous Congestion in Volunteers Prone Position 5 Hours
The purpose of this study is to provide data that would give the investigators a better understanding of the physiologic changes that occur and may contribute to post operative blindness.
- Trial name
- NCT00875043
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Amblyopia
Early Detection and Prevention of Amblyopia and Visual Impairment Through Systematic Pediatric Vision Screening
Amblyopia, characterized by reduced visual acuity, develops in childhood due to insufficient sensory stimulation of the affected eye.
- Trial name
- FALSSE (NCT07112560)
- Testing
- Standard screening procedure for amblyopia, New amblyopia screening method using a virtual reality headset.
- Where
- France
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
Central Visual Impairment
Training Oculo-motor Control to Improve Vision When Using a Preferred Retinal Locus
When high-detail vision is lost due to a retinal disease such as macular degeneration, people see poorly, and have difficulty with eye movements (oculo-motor control).
- Trial name
- NCT05637385
- Testing
- Training of perception and oculo-motor control
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Russell L. Woods
Idiopathic Intracranial Hypertension
Idiopathic Intracranial Hypertension Treatment Trial
Idiopathic intracranial hypertension (IIH), also called pseudotumor cerebri, is a disorder of elevated intracranial pressure of unknown cause [Corbett, et al., 1982; Wall, et al., 1991].
- Trial name
- IIHTT (NCT01003639)
- Testing
- Acetazolamide, Formal weight loss counselling program
- Where
- 41 sites in United States, Canada
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- St. Luke's-Roosevelt Hospital Center
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