Clinical trials: Cortical Blindness
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, Blindness
Functional Neuroimaging of Cortical Plasticity in the Human Visual System
The study's objective is to measure changes in human visual cortex organization that may arise as a result of injury to the visual pathways.
- Conditions
- Stroke, Blindness, Vision
- Trial name
- NCT01062672
- Where
- 2 sites in United States, Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Cerebral Visual Impairment
A Computerized, Adaptive Therapeutic Gaming Approach Training Visual Perceptual Skills in Children With CVI
This clinical trial aims to compare the effectiveness of our adaptive, therapeutic game to the effectiveness of the same game, without the adaptive component.
- Trial name
- iVision2_WP3 (NCT05014503)
- Testing
- Adaptive Therapeutic gaming, Non-adaptive Therapeutic gaming
- Where
- Belgium
- Volunteers
- 73 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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
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
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
Chronic Venous Insufficiency, CVI
Structured Home-Based Exercise and Education for Chronic Venous Insufficiency
The goal of this clinical trial is to learn whether a structured home-based exercise and education program can improve quality of life and leg symptoms in adults with chronic venous insufficiency.
- Trial name
- NCT07777978
- Testing
- Structured Home-Based Exercise and Education Program, Standard Care (in control arm)
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Abant Izzet Baysal University
Visual Rehabilitation, Oddball Design
In-person and Telehealth Visual Rehabilitation for Children With Low Vision
Restorative visual rehabilitation is frequently used to enhance the visual development and function of children with low vision.
- Conditions
- Visual Rehabilitation, Oddball Design, Cerebral Visual Impairment, Passive Visual Stimulation
- Trial name
- NCT06701617
- Testing
- restorative visual rehabitation
- Where
- Taiwan
- Volunteers
- 200 people
- Sponsor
- National Taiwan University Hospital
Prader-Willi Syndrome, PWS-like Syndrome
GROWing Up With Rare GENEtic Syndromes
Introduction Rare complex syndromes Patients with complex genetic syndromes, by definition, have combined medical problems affecting multiple organ systems, and intellectual disability is often part of the syndrome.
- Conditions
- Prader-Willi Syndrome, PWS-like Syndrome, Silver Russel Syndrome, Congenital Hypopituitarism
- Trial name
- GROW UR GENES (NCT04463316)
- Testing
- Retrospective file studies
- Where
- Netherlands
- Volunteers
- 600 people
- Sponsor
- dr. Laura C. G. de Graaff-Herder
Cerebral Palsy, Visual Impairment
Turkish Validity and Reliability of the Visual Function Classification System (VFCS)
Cerebral Palsy (CP) is the most common childhood disorder that occurs with a lesion in the developing infant brain, seen in 2-3/1000 live births.
- Conditions
- Cerebral Palsy, Visual Impairment, Visual Disorder, Cerebral Visual Impairment
- Trial name
- NCT05102955
- Testing
- Observational questionnaires
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- Kahramanmaras Sutcu Imam University
Varicose Veins of Lower Limb, Chronic Venous Insufficiency, CVI
Knee Pain Relief After Endovenous Treatment for Lower Limb Varicose Veins: A Prospective Observational Study
This study will observe patients with lower limb varicose veins who also have knee pain. Many patients with varicose veins experience swelling, heaviness, or aching in the legs, and some also report pain in or around the knee.
- Conditions
- Varicose Veins of Lower Limb, Chronic Venous Insufficiency, CVI, Knee Pain Chronic, Knee Osteoarthritis
- Trial name
- VV-KNEE (NCT07163312)
- Testing
- Endovenous Ablation for Varicose Veins
- Volunteers
- 50 people
- Sponsor
- Chengdu University of Traditional Chinese Medicine
Feeding Behavior, Sensory Integration Disorder
Feeding Behavior Intervention in Children with Cerebral Visual Impairment
This study was planned to investigate the effects of nutritional education given in addition to sensory integration intervention on feeding behavior, sensory processing and developmental areas in children with Cerebral Visual…
- Conditions
- Feeding Behavior, Sensory Integration Disorder, Cerebral Visual Impairment
- Trial name
- NCT06827743
- Testing
- feeding behavior education, Sensory integration intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Trakya University
Visual Impairment, Cerebral Visual Impairment
VIPPSTAR-G1 Digital Early Intervention for Visual Impairment
Visual impairment in infancy is associated with significant risks for neurodevelopmental impairment. Early intervention based on enriched visual and multisensory experiences may promote neuroplasticity and improve developmental…
- Conditions
- Visual Impairment, Cerebral Visual Impairment, Neurodevelopmental Disorders, Prematurity
- Trial name
- VIPPSTAR-G1 (NCT07717671)
- Testing
- VIPPSTAR Digital Early Intervention, Standard Clinical Care
- Where
- 5 sites in Belgium, Italy and 1 more
- Volunteers
- 150 people
- Sponsor
- Università degli Studi di Brescia
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
Vision Loss Partial, Vision; Loss, Both Eyes
Understanding Visual Processing After Occipital Stroke
The purpose of this study is to investigate how visual orientation discrimination and metacognition (i.e., perceptual confidence) are affected by occipital stroke that causes hemianopia and quadrantanopia in adults.
- Conditions
- Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia, Homonymous, Hemianopia
- Trial name
- NCT06352086
- Sponsor
- University of Rochester
Chronic Venous Insufficiency, CVI
The Use of Immersive Virtual Reality as a Method of Treating Anxiety and Procedural Pain During Endovenous Laser Ablation (EVLA) of Lower Varicose Veins Under Tumescent Anesthesia
This is a prospective, single-arm, pre-post interventional study designed to evaluate the feasibility, safety, and impact of immersive virtual reality (VR) as an adjunct to tumescent local anesthesia during endovenous laser…
- Trial name
- EVLA+VR (NCT07624929)
- Testing
- VR (VR-Control)
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Bydgoszcz University of Science and Technology
Chronic Venous Disease, Chronic Venous Insufficiency, CVI
The ReCAna for Lower ExtremIty Venous OBstructions and In-StEnt Restenosis Registry
The goal of this observational study is to gather additional safety and performance (effectiveness) data on the device for the treatment of symptomatic lower extremity venous obstructions and occlusions.
- Conditions
- Chronic Venous Disease, Chronic Venous Insufficiency, CVI, Venous Thrombosis, Thrombosis (Stent Thrombosis)
- Trial name
- CALIBER (NCT07529756)
- Testing
- Recanalization and debulking
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Intervene, Inc.
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
Hemianopia, Homonymous, Cortical Blindness, Unspecified Side of Brain
Ameliorating Stroke-induced Hemianopia Via Multisensory Training
This study seeks to determine the extent of the visual capabilities that can be restored in hemianopic stroke patients by a multisensory training technique and evaluate changes in the brain that the training induces.
- Trial name
- NCT05894434
- Testing
- Multisensory Training, Unisensory Training
- Where
- United States
- Volunteers
- 72 people
- Sponsor
- Wake Forest University Health Sciences
Central Visual Impairment, Macular Degeneration
Factors in Learning And Plasticity: Macular Degeneration
A greater understanding of plasticity after central vision loss can inform new therapies for treating low vision and has the potential to benefit millions of individuals suffering from low vision.
- Trial name
- FLAP (NCT05454124)
- Testing
- Training visual sensitivity, Combination training
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Alabama at Birmingham