Clinical trials: Blindness,Acquired
Glaucoma, Blindness, Acquired
Laminar Drainage Implant: Safety of a Novel Surgical Treatment for Refractory Glaucoma.
Purpose: To assess the feasibility of a surgical technique and present the preliminary safety results of a new glaucoma device devoid of a tube in painful blind eyes.
- Conditions
- Glaucoma, Blindness, Acquired, End-Stage Glaucoma, Glaucoma Traumatic
- Trial name
- NCT03166566
- Testing
- Laminar drainage implant surgery.
- Volunteers
- 15 people
- Sponsor
- Federal University of Minas Gerais
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
Ocular Injury, Optic Nerve Diseases
A Phase I Feasibility Study of an Intracortical Visual Prosthesis (ICVP) for People With Blindness
The purpose of this study is to determine the feasibility of producing artificial vision in persons with blindness. Study participants will have wireless electrical stimulators implanted into the cortical vision processing areas…
- Conditions
- Ocular Injury, Optic Nerve Diseases, Photoreceptor Degeneration, Blindness,Acquired
- Trial name
- ICVP (NCT04634383)
- Testing
- WFMA - wireless floating microelectrode array
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- Illinois Institute of Technology
Visual Field Defect Following Cerebrovascular Accident, Hemianopia
Multisensory Telerehabilitation for Visual Field Defects
Brain injuries may cause the loss of the ability to see portions of the visual field, the so-called visual field defects (VFDs).
- Conditions
- Visual Field Defect Following Cerebrovascular Accident, Hemianopia, Brain Injuries
- Trial name
- MUST (NCT06341777)
- Testing
- Audio-visual training (AVT) telerehabilitation
- Where
- Italy
- Volunteers
- 72 people
- Sponsor
- Istituto Auxologico Italiano
Stroke, Hemianopsia, Homonymous
Anodal tDCS With Compensatory Audio-visual Training for Acquired Visual Field Defects After Brain Injury
Homonymous visual field defects (HVFDs) following acquired brain lesions affect independent living by hampering several activities of everyday life. Available treatments are intensive and week- or month-long.
- Trial name
- NCT06116760
- Testing
- Audio-visual training
- Where
- Italy
- Volunteers
- 18 people
- Sponsor
- Istituto Auxologico Italiano
Blindness,Acquired
Feasibility of Stimulating the Visual Cortex in Blind
In this study, the investigators intend to evaluate the use of a commercially available neurostimulator system, NeuroPace RNS System to stimulate the visual cortex.
- Trial name
- NCT02747589
- Testing
- Surgical device implant in brain
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- University of California, Los Angeles
Rare Disorders, Undiagnosed Disorders
Rare Disease Patient Registry & Natural History Study - Coordination of Rare Diseases at Sanford
CoRDS, or the Coordination of Rare Diseases at Sanford, is based at Sanford Research in Sioux Falls, South Dakota. It provides researchers with a centralized, international patient registry for all rare diseases.
- Conditions
- Rare Disorders, Undiagnosed Disorders, Disorders of Unknown Prevalence, Cornelia De Lange Syndrome
- Trial name
- CoRDS (NCT01793168)
- Where
- 2 sites in United States, Australia
- Volunteers
- 20,000 people
- Sponsor
- Sanford Health
Blindness, Acquired
AI-Powered Artificial Vision for Visual Prostheses
Visual impairment is one of the ten most prevalent causes of disability and poses extraordinary challenges to individuals in our society that relies heavily on sight.
- Trial name
- NCT06117332
- Testing
- Visual prosthesis
- Where
- 2 sites in United States, Spain
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of California, Santa Barbara
Color Blindness, Acquired
Evaluating Color Perception Under LED Red/Green and Green Dominant Light
The investigators are testing a Light-emitting Diode (LED) flashlight from First-Light™ USA called the Tomahawk MC Tactical Light to determine the range of colors people are able to see with these flashlights at night.
- Trial name
- NCT01927536
- Testing
- White LED Flashlight, Red/Green Green Dominant LED Flashlight
- Where
- United States
- Volunteers
- 39 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Blindness, Acquired
A Validation of the Functional Low-Vision Observer Rated Assessment (FLORA-20) for Profoundly Blind Individuals
This study aims to validate an observer-rated assessment titled "Functional Low-Vision Observer Rated Assessment (FLORA-20)", which comprises 20 functional vision tasks commonly performed in or around a blind individual's home…
- Trial name
- FLORA-20 (NCT04312763)
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Second Sight Medical Products
Depression, Anxiety, Visual Impairment
Developing Evidence-Based Cognitive Approaches to Improve Adjustment to Vision Loss
The goal of this study is to develop and pilot test a therapeutic strategy combining cognitive behavioral therapy (CBT) with mindfulness practices tailored for individuals adjusting to vision loss.
- Conditions
- Depression, Anxiety, Visual Impairment, Adjustment, Adjustment Disorder With Anxious Mood
- Trial name
- NCT07073521
- Testing
- Integrated Cognitive Behavioral Therapy (CBT) & Mindfulness Group Intervention for Adjustment to Vision Loss
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- The Chicago Lighthouse
Stroke, Neurologic Disorder
Evaluation of Bioness Integrated Therapy System (BITS) Touch Screen Technology to Improve Field Awareness
The Bioness Integrated Therapy System (BITS) (Bioness Inc. Valencia, CA) Touch Screen is an FDA approved device comprised of an interactive touchscreen and diverse program options to challenge patients through the use of visual…
- Conditions
- Stroke, Neurologic Disorder, Traumatic Brain Injury, Acquired Brain Injury
- Trial name
- NCT04930822
- Testing
- Table Top Visual Intervention, Bioness Integrated Therapy System Visual Intervention
- Where
- United States
- Volunteers
- 37 people
- Sponsor
- Gaylord Hospital, Inc
Blindness, Acquired
Early Feasibility Study of the Orion Visual Cortical Prosthesis System
This is an early feasibility study of a new device, the Orion Visual Cortical Prosthesis System. The device is intended to stimulate the surface of the visual cortex to induce visual perception in blind individuals.
- Trial name
- NCT03344848
- Testing
- Orion Visual Cortical Prosthesis System
- Where
- 2 sites in United States
- Volunteers
- 6 people
- Sponsor
- Second Sight Medical Products
Glaucoma, Blindness, Acquired
Implantable Intraocular Pressure Sensor for Glaucoma Monitoring in Patients With Boston Keratoprosthesis Type 1
The purpose of this study is to evaluate the safety and performance of the EYEMATE system in patients undergoing concomitant implantation of a BKPro type 1 and an EYEMATE sensor over the 24 months period beginning at implantation.
- Conditions
- Glaucoma, Blindness, Acquired, Keratitis, Herpetic, Ocular Cicatricial Pemphigoid
- Trial name
- BKPro (NCT03421548)
- Testing
- EyeMate
- Sponsor
- Centre hospitalier de l'Université de Montréal (CHUM)
Blindness, Blindness, Acquired
Advanced Spatiomotor Rehabilitation for Navigation in Blindness & Visual Impairment
One of the most challenging tasks for blind and visually impaired individuals is navigation through a complex environment. The goal of the present multidisciplinary study is to increase spatial-cognition abilities in people who…
- Conditions
- Blindness, Blindness, Acquired, Low Vision, Blindness, Complete
- Trial name
- NCT05377853
- Testing
- Cognitive-Kinesthetic Navigational Training
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Smith-Kettlewell Eye Research Institute
Visual Deficiency, Congenital Blindness
VISIODOL: Validation of the VISIODOL® Scale
The aim of this study is to validate the VISIODOL® scale for screening of pain in people with visual impairment.
- Conditions
- Visual Deficiency, Congenital Blindness, Acquired Blindness
- Trial name
- VISIODOL (NCT03968991)
- Testing
- VISIODOL® (Diagnostic tool)
- Where
- France
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand