Clinical trials: Vision Impairment and Blindness
Macular Degeneration, Central Visual Impairment
Remapping Text in Sentence and Word Tasks to Aid Reading With Central Vision Loss
Reading performance in patients with Central Vision Loss will be measured with and without missing text being remapped to different parts of the visual field in a variety of different reading tasks.
- Trial name
- NCT07216924
- Testing
- Personalised Remapping Training, RSVP personalized remappi, Reading text in the wild with remapping
- Where
- United States
- Volunteers
- 216 people
- Sponsor
- University of Minnesota
Retinal Degeneration, Vision Impairment and Blindness
Multicenter Study of Transcranial Magnetic Stimulation on Vision Restoration
The goal of this clinical trial is to learn if transcranial magnetic stimulation (TMS) works to restore vision in adults with severe retinal degeneration. It will also learn about the safety of TMS treatment.
- Trial name
- NCT07425717
- Testing
- Transcranial magnetic stimulation targeting occipital visual cortex
- Where
- 4 sites in China
- Volunteers
- 136 people
- Sponsor
- Shanghai High Myopia Study Group
Visual Perceptual Weakness (Disorder), Cerebral Visual Impairment
iVision - Development of a Game-based Therapy for Children With Cerebral Visual Impairment
The objective of the present study is to develop a therapeutic, adaptive, and enjoyable game that will be used by children with CVI between the mental age of 3 and 12 years.
- Trial name
- iVision (NCT04051983)
- Where
- Belgium
- Volunteers
- 50 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Blindness, Visual Impairment
The Impact of the Years of Blindness on Sleep and Dreaming Processes and the Relationships With Spatial Abilities
This study aims to assess the impact of blindness on sleep and dreaming processes and the relationship with spatial perceptual performance, examining the link with clinical and psychological indices, neurobiological features, and…
- Trial name
- NCT06631807
- Where
- Italy
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
Septo-Optic Dysplasia, Agenesis of Corpus Callosum
Sleep Profile of Patients With Septo-optic Dysplasia
The aim of this study is to evaluate sleep of patients with septo-optic dysplasia compared to patients with an isolated disorder of peripheral visual system and patients with corpus callosum agenesis since both visus defict and…
- Conditions
- Septo-Optic Dysplasia, Agenesis of Corpus Callosum, Blindness
- Trial name
- NCT06262152
- Testing
- Actigraphy, blood and salivary sample, and sleep evaluation
- Where
- Italy
- Volunteers
- 45 people
- Sponsor
- IRCCS National Neurological Institute "C. Mondino" Foundation
Diabetes, Visual Impairment
Nonvisual Foot Inspection for People With Visual Impairment
The purpose of this study was to find out whether a method of nonvisual foot inspection, using the senses of touch and smell, helps people with diabetes and visual impairment to find new foot problems when they are in early…
- Trial name
- NCT01822717
- Testing
- Nonvisual foot inspection, Usual Care
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Case Western Reserve University
Disabilities, Visual Impairment and Blindness (Excl Colour Blindness)
Study Protocol: The Jerte Valley as an Inclusive Outdoor Classroom. Smart and Active Tourism.
To promote the inclusion of people with disabilities, an outdoor intervention will be conducted involving physical activities with adolescents with and without disabilities.
- Trial name
- NCT07609459
- Testing
- Rafting, canoeing and kayaking, Divulgation
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Universidad de Extremadura
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
Cerebral Visual Impairment
joyVision: The Superiority of Co-design in the Development of a Serious Game for Children With Cerebral Visual Impairment
The goal of this clinical trial is to evaluate the superiority of the through codesign redesigned game joyVision over the iVision game for children with a cognitive age between 3 and 12 with CVI.
- Trial name
- NCT07893379
- Testing
- serious game
- Volunteers
- 34 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Blindness, Acquired, Blindness Congenital
Effects of Transcranial Direct Current Stimulation With Proprioceptive Training in Blind People
Postural control requires the integration of the vestibular, visual, and somatosensory systems. Vision, in particular, exerts a considerable influence on body sway during activities that require balance.
- Trial name
- NCT03173105
- Testing
- active tDCS, Dynamic proprioceptive exercises, static proprioceptive exercises
- Where
- Brazil
- Volunteers
- 40 people
- Sponsor
- Salgado Institute of Integral Health
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
Fresnel Prism
Fresnel Prism in Low Vision Patients With Homonymous Hemianopia Defect in Cipto Mangunkusumo Hospital
Background: Homonymous hemianopia is a visual field defect that causes functional disabilities, such as decreased self-confidence, limited mobility, and increased risk of falls.
- Trial name
- NCT07531667
- Testing
- Fresnel prism
- Where
- Indonesia
- Volunteers
- 25 people
- Sponsor
- Universitas Indonesia
Retinitis Pigmentosa, Usher Syndrome Type 2
Study to Evaluate the Efficacy Safety and Tolerability of QR-421a in Subjects With RP Due to Mutations in Exon 13 of the USH2A Gene With Early to Moderate Vision Loss (Celeste)
The purpose of this study is to evaluate the efficacy safety and tolerability of QR-421a administered via intravitreal injection (IVT) in subjects with Retinitis Pigmentosa (RP) due to mutations in exon 13 of the USH2A gene with…
- Conditions
- Retinitis Pigmentosa, Usher Syndrome Type 2, Deaf Blind, Retinal Disease
- Trial name
- NCT05176717
- Testing
- QR-421a
- Where
- 3 sites in United States, United Kingdom
- Volunteers
- 5 people
- Sponsor
- Laboratoires Thea
Low Vision Aids, Low Vision
Pilot Study on Improving Mobility and Universal Accessibility for Individuals With Visual Disabilities in Barcelona
The project BCNMob informs about a research study approved by the Ethics Committee of the Hospital Universitario Mútua Terrassa The study aims to improve the Biel Glasses virtual reality glasses to assist patients with low vision…
- Conditions
- Low Vision Aids, Low Vision, Low Vision Blindness, Low Vision Digital Assistance
- Trial name
- BCNMob (NCT06602102)
- Testing
- Mixed reality Glasses
- Where
- Spain
- Volunteers
- 41 people
- Sponsor
- Universitat Politècnica de Catalunya
Problem With Vision Blindness, Intraocular Pressure
Intraocular Pressure During Abdominal Aortic Aneurysm (AAA) Repair
The objective of this study will be to answer a clinical question that has not already been investigated; that is, what are the effects of aortic infra-renal clamping and unclamping on intraocular pressure during Abdominal Aortic…
- Conditions
- Problem With Vision Blindness, Intraocular Pressure, Ischemic Optic Neuropathy
- Trial name
- NCT00450294
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
Usher Syndrome, Retinitis Pigmentosa
A Genetic Analysis of Usher Syndrome in Ashkenazi Jews
Hearing loss and loss of vision can be very harmful to the well-being and life of people who suffer from them. Usher syndrome is the name of a disease where people have both hearing loss and visual loss.
- Conditions
- Usher Syndrome, Retinitis Pigmentosa, Congenital Hearing Impairment
- Trial name
- NCT00016471
- Testing
- Audiogram, Electroretinogram
- Where
- United States
- Sponsor
- National Center for Research Resources (NCRR)
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
Visual Impairment, Cerebral Visual Impairment
Body Image, Identity Development, and Social Media Use Among Youth With Visual Impairment: A Single Case Intervention Study
1. Introduction This 3-week single case intervention study is funded by the Horizon Europe Research Program and is part of the VIPPSTAR project (Project 101156763 - VIPPSTAR "Visually Impaired children and adolescents: bridging…
- Conditions
- Visual Impairment, Cerebral Visual Impairment, Visual Impairments
- Trial name
- VIPPSTAR_G3KUL (NCT07741500)
- Testing
- Body image intervention
- Where
- 2 sites in Belgium
- Volunteers
- 15 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Giant Cell Arteritis, Visual Impairment
Visual Involvement in Giant Cell Arteritis
This observational study aims to enhance the description of the different ways Giant Cell Arteritis (GCA) affects vision. The latest technology and knowledge are used to improve how we diagnose and predict patient outcomes.
- Conditions
- Giant Cell Arteritis, Visual Impairment, Central Retinal Artery Occlusion, Anterior Ischemic Optic Neuropathy
- Trial name
- Visu-GCA (NCT06500728)
- Testing
- Fluorescein and Indocyanine green Angiography, High-resolution Optical Coherence Tomography, Angio-Optical Coherence Tomography
- Where
- Italy
- Volunteers
- 762 people
- Sponsor
- ASST Fatebenefratelli Sacco
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