Clinical trials: 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
Blindness
Enhanced Tactile Memory in the Blind
This study will determine if the brain regions in blind people that would normally be involved in vision are used instead to remember touch.
- Trial name
- NCT00076700
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Blindness
Brain Plasticity of Verbal Memory in the Blind
This study will examine whether blind people develop changes in the brain that improve memory function. Previous studies have shown that blind people, on average, perform better in memory tasks than sighted people.
- Trial name
- NCT00059189
- Testing
- Magstim Rapid Magnetic Stimulator
- Where
- United States
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Blindness, Visual Impairment
MySpace: the Role of Vision in Representing Space
My Space aims to identify the ontogenesis of spatial representation through cross-sectional and longitudinal studies in infants, children, and adolescents with typical and atypical development (visual impairments).
- Trial name
- NCT06364605
- Testing
- Rehabilitation with the iReach novel multisensory medical device
- Where
- Italy
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
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
Cardiac Arrest
Intentional Blindness During Perioperative Cardiac Arrest
Cardiac arrest in the operating room is a rare but potentially catastrophic event with mortality rates greater than 50%. Recent CPR guidelines published by the American Heart Association (AHA) and the Heart and Stroke Foundation…
- Trial name
- NCT04122391
- Testing
- sound level volume
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- KidSIM Simulation Program
Usher Syndrome Type 3
BF844 Safety and Pharmacokinetic Study in Healthy Volunteers
First-in-Human Phase-1 Clinical Trial to Assess Safety, Tolerability, Pharmacokinetics, Pharmacodynamics, and Food Effect of Single and Multiple Ascending Doses of BF844 when Administered Orally to Healthy Adult Participants.
- Trial name
- NCT06592131
- Testing
- BF844
- Where
- Australia
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- EyeXCel Pty. Ltd.
Blindness,Visual Impairment, Refractive Error, Cataract, High Myopia, Aging
Shanghai Eye Study for Adults
Blindness and visual impairment severely impact the visual health and life quality of people, particularly the 2.566 million senior citizens aged at 65 and above in Shanghai.
- Trial name
- SESA (NCT03455478)
- Testing
- spectacles
- Where
- China
- Volunteers
- 1,000,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
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
Cognitive Impairment, Dementia
Determinants of Cognitive Impairment Among Geriatrics
This study aims to explore the determinants of cognitive impairment among Indonesian geriatrics in an Old Age Home.
- Conditions
- Cognitive Impairment, Dementia, Hearing Impairment, Vision Impairment and Blindness
- Trial name
- NCT03669536
- Where
- Indonesia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tarumanagara University
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
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
Blindness, Brain Mapping
The Connection Between Areas in the Brain of Blind Patients
The purpose of this study is to test the belief that specific areas of the brain are connected differently in blind patients than patients with sight.
- Conditions
- Blindness, Brain Mapping, Healthy
- Trial name
- NCT00001926
- Testing
- O15, Cadwell rTMS
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Vision, Low, Blindness
Validation of Texture Changing Coatings for Use in At-Home Rapid Tests
At-home testing is an important part of mitigating the spread of COVID-19, but these tests are not accessible to people with low vision or blindness.
- Trial name
- NCT06539728
- Testing
- Interaction with Mock COVID-19 Rapid Antigen Test and Reference Surfaces, Biomechanical Measurements, Psychophysical Tasks
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Obesity
The Extract of Green Tea on Obese Women: a Randomized Double Blindness Clinical Trial
The purpose of this study is to examine whether the extract of the green tea is effective on obese women.
- Trial name
- NCT00383058
- Testing
- the extract of green tea
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Taipei City Hospital
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
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
Blindness, Cerebrovascular Accident
Mechanisms of Human Plasticity in the Human System
The purpose of this study is to investigate the physiology associated with plasticity of the motor system. Plasticity refers to the process by which neighboring brain cells assume the responsibilities of damaged or diseased brain…
- Conditions
- Blindness, Cerebrovascular Accident, Spinal Cord Injury
- Trial name
- NCT00001661
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- National Institute of Neurological Disorders and Stroke (NINDS)
Type 1 Diabetes, Diabetes Insipidus
Tracking Neurodegeneration in Early Wolfram Syndrome
The goal of this study is to determine the pattern of early neurodegenerative changes in WFS (Wolfram Syndrome). The investigator will perform cross-sectional and longitudinal assessments of youth with WFS, targeting sensitive…
- Conditions
- Type 1 Diabetes, Diabetes Insipidus, Diabetes Mellitus, Wolfram Syndrome
- Trial name
- TRACK (NCT02455414)
- Where
- United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Washington University School of Medicine
Low Vision
Wearable Echolocation Aids Using Parametric Sound
The objective of this study is to study a novel device designed to aid patients with impaired vision to safely navigate their environment.
- Trial name
- NCT07218991
- Testing
- Wearable Echolocation Device
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston