Clinical trials: Blindness
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
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, 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
Low Vision, Central Visual Impairment
Vision Rehabilitation Training With Multimodal Feedback in Central Vision Loss
Central vision loss from macular degeneration creates blind spots that impair reading, face recognition, and navigation. Individuals must learn to use peripheral vision, requiring retraining of eye movements.
- Conditions
- Low Vision, Central Visual Impairment, Macular Degeneration
- Trial name
- NCT07577219
- Testing
- eccentric viewing training with biofeedback
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- New England College of Optometry
Increased Lordosis/Scoliosis, Hyporeflexia
Biomarker for Duchenne Muscular Dystrophy
International, multicenter, observational, longitudinal study to identify biomarker/s for Duchenne Muscular Dystropy (DMD) and to explore the clinical robustness, specificity, and long-term variability of these biomarker/s.
- Conditions
- Increased Lordosis/Scoliosis, Hyporeflexia, Duchenne Muscular Dystrophy, Red-Green Color Blindness
- Trial name
- BioDuchenne (NCT02994030)
- Where
- 12 sites in Albania, Egypt and 6 more
- Volunteers
- 103 people
- Sponsor
- CENTOGENE GmbH Rostock
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
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
Retinal Degeneration, Age-Related Macular Degeneration
Adaptive Optics Imaging of Outer Retinal Diseases
The objective of the study is to collect adaptive optics (AO) retinal images from human subjects with outer retinal diseases (diseases of the outer retina including photoreceptor, retinal pigment epithelium (RPE), basement…
- Conditions
- Retinal Degeneration, Age-Related Macular Degeneration, Retinitis Pigmentosa, Hydroxychloroquine Retinopathy
- Trial name
- NCT05355415
- Testing
- Adaptive optics imaging
- Where
- 2 sites in United States
- Volunteers
- 100 people
- Sponsor
- Food and Drug Administration (FDA)
Keratoconus
Evaluation of Safety and Efficacy of a Bioengineered Corneal Implant for Treatment of Keratoconus
This is a prospective, Phase I open-label safety study to evaluate the safety, feasibility and initial efficacy of a bioengineered corneal stromal substitute after implantation into the stroma of adults with advanced keratoconus.
- Trial name
- LinkCor (NCT04653922)
- Testing
- LinkCor Bioengineered Corneal Implant
- Where
- 2 sites in India, Iran
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- LinkoCare Life Sciences AB
Trauma, Infections
Ophthalmological Emergencies and COVID-19 Pandemia
To analyze how the COVID 19 pandemia has affected the patient's accesses to the Ophthalmological Emergency Department of a tertiary referral center in northern Italy, during the lockdown period.
- Conditions
- Trauma, Infections, Vision; Loss, Both Eyes
- Trial name
- NCT05065788
- Testing
- data collection
- Where
- Italy
- Volunteers
- 500 people
- Sponsor
- Università degli Studi dell'Insubria
Diabetes Mellitus Associated With Genetic Syndrome, Wolfram Syndrome
GLP Analogs for Diabetes in Wolfram Syndrome Patients
Wolfram syndrome, also referred to as DIDMOAD (diabetes insipidus, diabetes mellitus, optic atrophy and deafness) is a genetic syndrome characterized by beta-cell dysfunction and apoptosis leading to diabetes, neurodegeneration…
- Trial name
- NCT01302327
- Testing
- Exenatide
- Sponsor
- Hadassah Medical Organization
Lower Extremity Edema, Lower Extremity Edema Chronic
Pedal Pump Clinical Trial on Edema V2
Previous research on the osteopathic manual technique entitled "Pedal Pump" has shown health benefits, specifically increasing lymphatic flow, decreasing lower extremity edema, and decreasing serum lactic acid after maximal…
- Conditions
- Lower Extremity Edema, Lower Extremity Edema Chronic, CHF - Congestive Heart Failure, CHF Exacerbation
- Trial name
- NCT07809516
- Testing
- Pedal Pump
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Hillcrest
Blindness
A Study to Evaluate the BrainPort Vision Device in Individuals Blinded by Traumatic Injury
The BrainPort V200 Device is a wearable, non-surgical, prosthetic device intended for people who are profoundly blind. The BrainPort V200 translates images captured by a digital camera into electro-tactile stimulation presented…
- Trial name
- NCT02393118
- Testing
- BrainPort V200 Device
- Where
- 3 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Wicab
Cataract
Dynamic Light Scattering for Studying Lens Aging and Cataract Formation
This study will use dynamic light scattering (DLS) technology to study normal lens aging and early cataract formation. Cataract is a clouding of the lens that interferes with the passage of light to the retina, impairing visual…
- Trial name
- NCT00081991
- Where
- United States
- Volunteers
- 267 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Cerebral Visual Impairment
Neurodevelopmental Outcomes in Cerebral Visual Impairment
Cerebral visual impairment (CVI) is one of the leading causes of pediatric visual impairment and negatively impacts the development of motor, language, and cognitive skills.
- Trial name
- CVI-ND (NCT07212010)
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Low Vision Blindness, Visual Impairment
Development of a Multi-sensory Rehabilitation Program for People With Ultra Low Vision
This research is aimed to address one of the big gaps in the current vision rehabilitation protocols for people with profound visual impairment by evaluating a multisensory approach.
- Conditions
- Low Vision Blindness, Visual Impairment, Quality of Life, Functional Visual Loss
- Trial name
- NCT05028712
- Testing
- Visual Information Training, Multimodal training
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- State University of New York College of Optometry
Onchocerciasis
Pediatric Pharmacokinetics And Safety Study Of Moxidectin
The purpose of this study is to measure the amount of moxidectin in subjects' blood and to measure safety. This study will enroll 36 children aged 4 to 11 years (>=12 kg) with or without Onchocerca volvulus (O volvulus)…
- Trial name
- NCT01035619
- Testing
- moxidectin
- Volunteers
- healthy volunteers welcome
- Sponsor
- Pfizer
Wet Age-related Macular Degeneration, Neovascular Age-related Macular Degeneration
Long-term Study of ADVM-022 in Neovascular (Wet) AMD [OPTIC-EXT]
ADVM-022-07 is an observational long-term extension (OPTIC-EXT) study assessing safety and efficacy of ADVM-022 gene therapy product, in participants with neovascular, or exudative (wet), age-related macular degeneration (nAMD).
- Trial name
- NCT04645212
- Testing
- ADVM-022
- Where
- 9 sites in United States
- Volunteers
- 23 people
- Sponsor
- Adverum Biotechnologies, Inc.
Blindness
Visual Information Restoration and Rehabilitation Via Sensory Substitution Technology in Children
The BrainPort vision device is a visual prosthetic designed for those who are blind. It enables perception of visual information using the tongue and camera system as a paired substitute for the eye.
- Trial name
- NCT03002597
- Testing
- BrainPort V200 Device
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Ellen Mitchell
Blindness, Spinal Cord Injury
Use of "Smart Wheelchairs" to Provide Independent Mobility to Visual and Mobility Impairments
The goal of this project is to evaluate the Smart Wheelchair Component System (SWCS) for power wheelchairs and the Smart Power Assistance Module (SPAM) for manual wheelchairs in realistic indoor environments with target users…
- Trial name
- NCT00333762
- Testing
- Smart Power Assistance Module (SPAM), Smart Wheelchair Component System (SWCS)
- Where
- 2 sites in United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development