Clinical trials: Blindness and Low Vision
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
Blindness and Low Vision
Blueberry Effects on Dark Vision and Glare Recovery
Clinical evidence for effects of plant anthocyanins on vision, and particularly night vision is controversial. Two clinical trials were conducted to investigate whether blueberry juice consumption affected visual dark adaptation…
- Trial name
- NCT01942746
- Testing
- Blueberry Juice S2, Blueberry Capsules S2, Blueberry Juice L1
- Where
- Canada
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Atlantic Food and Horticulture Research Center
Vision Impairment and Blindness, Glaucoma
Developing and Testing a Model to Identify Preventive Vision Loss Among Older Patients in General Practice
In this cohort study, the investigators will test vision screenings in Danish general practice for patients over 70 years of age with minimum one chronic condition.
- Conditions
- Vision Impairment and Blindness, Glaucoma, Age-Related Macular Degeneration, Cataract
- Trial name
- DETECT (NCT07015034)
- Testing
- focus on vision impairment in older patients in general practice
- Where
- 2 sites in Denmark
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
Stroke, Ischemic, Hemianopia, Homonymous
Statistical Learning as a Novel Intervention for Cortical Blindness
This project aims to develop a novel visual training paradigm for use in visually-intact participants and those sufferings from stroke-induced visual impairments.
- Conditions
- Stroke, Ischemic, Hemianopia, Homonymous, Hemianopsia, Occipital Lobe Infarct
- Trial name
- NCT06578117
- Testing
- Vision Training and Learning Task
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Vision, Low, Blindness
Testing Tactile Aids With Blind Subjects
The objective of this project is to create richer tactile aids by using materials chemistry to create tactile sensations in tactile aids, as an alternative to traditional physical bumps, lines, or textures.
- Trial name
- NCT06237829
- Testing
- Single bump acuity, Optimal spacing between bumps, Improving signal from a single bump with designer materials
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Eye Diseases, Severe Loss of Vision
Holistic Mixed Approaches to Capture the Real Life of Children With Rare Eye Diseases
Rare Eye Diseases (RED) are the leading cause of severe visual impairment/ blindness (SVI/B) in children in Europe. This sensory disability with its accompanying psychological distress hugely impacts their lives and their…
- Conditions
- Eye Diseases, Severe Loss of Vision, Blindness, Quality of Life
- Trial name
- SeeMyLife (NCT06070467)
- Testing
- Mixed Methods Research (MMR) using quantitative (QUAN) and qualitative (QUAL) tools
- Where
- France
- Volunteers
- 154 people, healthy volunteers welcome
- Sponsor
- University Hospital, Strasbourg, France
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
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
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
Blindness Congenital
Comparison of Balance and Coordination Parameters of Visually Impaired and Healthy Individuals
The aim of this [observational study] is to examine balance in multiple aspects by comparing balance, coordination, and gait parameters between congenitally blind individuals and healthy individuals with multiple scales.
- Trial name
- NCT06687915
- Where
- Turkey (Türkiye)
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Bahçeşehir University
Blindness, Visual Impairment
iReach: a Rehabilitative Medical Device
The broad goal of this clinical trial is to demonstrate whether a one-month rehabilitative training with our medical device, iReach, can promote the recovery of spatial and sensorimotor abilities and the cortical reorganization…
- Trial name
- NCT06334614
- Testing
- iReach
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Istituto Italiano di Tecnologia
Blindness
Emergency Egress and Information System for Persons With Vision Loss
The purpose of the research project is to develop and evaluate an emergency egress system for persons with visual impairment, which would use existing lighted exit signage to provide egress information at a distance of up to 100…
- Trial name
- NCT00262509
- Testing
- Egress Badge
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
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
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
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
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
Glaucoma, Vision Impairment and Blindness
Manhattan Vision Screening and Follow-Up Study (NYC-SIGHT)
The investigators are conducting a 5-year prospective, 2:1 cluster-randomized controlled trial, funded by the Centers for Disease Control (CDC), which provides vision screenings to underserved New York City residents living in…
- Conditions
- Glaucoma, Vision Impairment and Blindness, Cataract, Diabetic Retinopathy
- Trial name
- NCT04271709
- Testing
- Enhanced Intervention Using Patient Navigators, Usual Care
- Where
- United States
- Volunteers
- 749 people, healthy volunteers welcome
- Sponsor
- Columbia University
Central Visual Impairment
Training Oculo-motor Control to Improve Vision When Using a Preferred Retinal Locus
When high-detail vision is lost due to a retinal disease such as macular degeneration, people see poorly, and have difficulty with eye movements (oculo-motor control).
- Trial name
- NCT05637385
- Testing
- Training of perception and oculo-motor control
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Russell L. Woods
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
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