Clinical trials: Blindness
Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion
New Non-invasive Modalities for Assessing Retinal Structure and Function
This study investigates a new technology to assess the structure and function inside the eye. Retinal imaging of subjects with inner and outer retinal defects to detect areas of abnormal structure and function compared to other…
- Conditions
- Ischemic Optic Neuropathy, Branch Retinal Artery Occlusion, Hemianopia, Leber Hereditary Optic Neuropathy
- Trial name
- NCT03475173
- Testing
- LSFG-NAVI
- Where
- United States
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Randy Kardon
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
Healthy, Blindness
Multisensory Body and Space Representations (BASES-EXTINCTION)
To accurately control body movements to interact with objects, our brain needs representations of the body and the nearby space.
- Trial name
- NCT03201341
- Testing
- Electrooculogram (EOG), Surface Electromyography (EMG), Electrodermal response
- Where
- France
- Volunteers
- 1,540 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Glaucoma, Glaucoma, Open-Angle
Prevalence of Glaucoma and Normative Data of Ocular Biometry in Elderly Population in Bangkok
The BANMOP eye study is an ophthalmic subproject of the Bangkoknoi Model Project (BANMOP), a community-based initiative integrating electronic health databases with population surveys to sup-port context-specific health promotion…
- Conditions
- Glaucoma, Glaucoma, Open-Angle, Glaucoma, Suspect, Glaucoma, Angle-Closure
- Trial name
- BANMOP (NCT07763288)
- Where
- Thailand
- Volunteers
- 1,470 people, healthy volunteers welcome
- Sponsor
- Siriraj Hospital
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
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
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
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
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
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
Onchocerciasis (River Blindness), Schistosomiasis
Expanding Access to Preventive Chemotherapy Among Mobile and Migrant Populations
Neglected Tropical Diseases (NTDs) are among the most common groups of diseases affecting over one billion people globally and are disproportionately concentrated in remote, underserved, and marginalized communities.
- Conditions
- Onchocerciasis (River Blindness), Schistosomiasis, Soil Transmitted Helminth (STH) Infections, Lymphatic Filariasis
- Trial name
- MISSION (NCT07707817)
- Testing
- Modified Mass Administration of Medicines Strategy, Albendazole 400 mg, Praziquantel 40 mg/kg
- Where
- Nigeria
- Volunteers
- 5,760 people, healthy volunteers welcome
- Sponsor
- Uwemedimo Friday Ekpo
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
Glaucoma, Diabetic Retinopathy
Providing Financial Incentives to Improve Adherence to Referral Eye Care Visits
Glaucoma is a blinding eye disease increasingly common in older adults, particularly in African Americans, and often diagnosed late in the disease course.
- Conditions
- Glaucoma, Diabetic Retinopathy, Refractive Errors, Cataract
- Trial name
- AL-SIGHT (NCT04328207)
- Testing
- No Financial Incentive, Financial Incentive
- Where
- United States
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Central Visual Impairment
Peripheral Reading
The purpose of this study is to evaluate reading performance in the visual periphery by simulating central vision loss using a computer-controlled gaze-contingent display with an eye tracker.
- Trial name
- NCT03640130
- Testing
- Gaze-contingent text enhancement
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Houston
Obstructive Sleep Apnoea, Primary Open Angle Glaucoma
PAIR Study-PAP And IOP Relationship: Study 1
Lowering of the pressure in the eye (intraocular pressure, IOP) is the only proven treatment for Primary Open-angle Glaucoma (POAG).
- Trial name
- PAIR (NCT03127813)
- Testing
- Application of continuous positive airway pressure (CPAP)
- Where
- United Kingdom
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Papworth Hospital NHS Foundation Trust
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
Retinal Degeneration, Retinitis Pigmentosa
Molecular Genetics of Retinal Degenerations
This multinational study will investigate the inheritance of genetic retinal degeneration in families of different nationalities and ethnic backgrounds in order to identify the genes that, when altered, cause retinal…
- Trial name
- NCT00231010
- Where
- 6 sites in United States, China and 2 more
- Volunteers
- 3,549 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)