Clinical trials: Low Vision Blindness
Vision Loss Partial, Vision; Loss, Both Eyes
Understanding Visual Processing After Occipital Stroke
The purpose of this study is to investigate how visual orientation discrimination and metacognition (i.e., perceptual confidence) are affected by occipital stroke that causes hemianopia and quadrantanopia in adults.
- Conditions
- Vision Loss Partial, Vision; Loss, Both Eyes, Hemianopia, Homonymous, Hemianopia
- Trial name
- NCT06352086
- Sponsor
- University of Rochester
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
Blindness, Legal
Functional Assessment Questionnaire for the Visually Challenged
The purpose of this research is to evaluate how accurately a proposed "Functionality Assessment Questionnaire" measures the differences between low-functioning and high-functioning visually challenged individuals who are legally…
- Trial name
- NCT00407901
- Volunteers
- 31 people
- Sponsor
- George Washington University
Hemianopsia, Homonymous, Brain Injury
Biofeedback for Hemianopia Vision Rehabilitation
Patients with brain injury secondary to stroke, surgery, or trauma frequently suffer from homonymous hemianopia, defined as vision loss in one hemifield secondary to retro- chiasmal lesion.
- Conditions
- Hemianopsia, Homonymous, Brain Injury, Stroke, Brain Tumor
- Trial name
- NCT05397873
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 32 people
- Sponsor
- University Health Network, Toronto
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab
Visual Disorder, Young Adult
The Effect of Social Skills Training in Visually Impaired Adolescents
The aim of our study is to examine the effects of eight sessions of online social skills training given to visually impaired adolescents on social skills, self-efficacy, social phobia and social integration.
- Conditions
- Visual Disorder, Young Adult, Blindness, Blindness and Low Vision
- Trial name
- NCT05608811
- Testing
- Social Skills Training
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Saglik Bilimleri Universitesi
Blindness
Wayfinding Information Access System for People With Vision Loss
The purpose of the project is to find out what kinds of information are most useful to visually impaired people when they are moving around indoors and what kinds of controls will make it easy for visually impaired people to…
- Trial name
- NCT00829036
- Testing
- Wayfinding Prototype
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- US Department of Veterans Affairs
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
Central Visual Impairment, Macular Degeneration
Factors in Learning And Plasticity: Macular Degeneration
A greater understanding of plasticity after central vision loss can inform new therapies for treating low vision and has the potential to benefit millions of individuals suffering from low vision.
- Trial name
- FLAP (NCT05454124)
- Testing
- Training visual sensitivity, Combination training
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Alabama at Birmingham
Macular Degeneration, Central Visual Impairment
Remapping Text in Sentence and Word Tasks to Aid Reading With Central Vision Loss
Reading performance in patients with Central Vision Loss will be measured with and without missing text being remapped to different parts of the visual field in a variety of different reading tasks.
- Trial name
- NCT07216924
- Testing
- Personalised Remapping Training, RSVP personalized remappi, Reading text in the wild with remapping
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Minnesota
Cortical Visual Impairment
Remote Access: Cortical Visual Impairment
This study aims to compare the efficacy of an in-home telehealth-based intervention to standard care for children with cortical visual impairment and their caregivers and to assess the feasibility and acceptability of an in-home…
- Trial name
- NCT03957980
- Testing
- Occupational therapy
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Fresnel Prism
Fresnel Prism in Low Vision Patients With Homonymous Hemianopia Defect in Cipto Mangunkusumo Hospital
Background: Homonymous hemianopia is a visual field defect that causes functional disabilities, such as decreased self-confidence, limited mobility, and increased risk of falls.
- Trial name
- NCT07531667
- Testing
- Fresnel prism
- Where
- Indonesia
- Volunteers
- 25 people
- Sponsor
- Universitas Indonesia
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
Sensory Integration Disorder
Sensory Integration for Infants With Cortical Visual Impairment
Our study examines the effect of sensory integration training on sensory, motor and oculomotor skills in infants with cortical vision impairment .
- Trial name
- NCT05431647
- Testing
- Sensory integration therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Stroke, Ischemic, Brain Injuries
Rehabilitation of Visual Function After Brain Injury
In Denmark, about 120,000 people suffer from brain damage, of whom approx. 75,000 with brain damage after stroke. Serious and often lasting vision impairments affect 20% to 35% of people after stroke.
- Conditions
- Stroke, Ischemic, Brain Injuries, Stroke Hemorrhagic, Traumatic Brain Injury
- Trial name
- IBOS-NVT (NCT03160131)
- Testing
- Neuro Vision Technology
- Where
- Denmark
- Volunteers
- 56 people
- Sponsor
- University Hospital, Gentofte, Copenhagen
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
Low Vision, One Eye, Unspecified Eye, Low Vision Blindness
Health Education vs Meditation in Irreversible Age-Related Vision Loss Patients and Their Caregivers
Investigators aim to assess the feasibility of delivering two augmentation interventions, Meditation and a Health Enhancement Program, for potentially enhancing the quality of life and mental health of Irreversible Age-Related…
- Trial name
- NCT03166072
- Testing
- Meditation, Health Enhancement Program
- Where
- Canada
- Volunteers
- 150 people
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness)
Effect of Presbyopia Correction on Livelihood and Repayment Among Solar Customers in Western Region, Kenya
With age, people lose the ability to see things that are near them clearly. This is known as presbyopia. Although this is a normal ageing process, it can be corrected with near vision eyeglasses - colloquially known as reading…
- Conditions
- Presbyopia Correction, Visual Impairment and Blindness (Excl Colour Blindness), Repayment Behaviour, Livelihoods
- Trial name
- NCT06774183
- Testing
- Near vision glasses for presbyopia correction
- Volunteers
- 1,085 people
- Sponsor
- Dot Glasses Kenya
Hemianopia, Brain Injuries
Biofeedback Training for Hemianopia
This is a prospective study that compares biofeedback training on the microperimetry (BT) to a control group in patient s with hemianopia.
- Trial name
- NCT06995313
- Testing
- Biofeedback training
- Where
- Canada
- Volunteers
- 70 people
- Sponsor
- University Health Network, Toronto
Stroke, Ischemic, Quadrantanopia
Visual Rehabilitation After Occipital Stroke
This research aims to examine changes in plastic potential of the visual system with time from stroke affecting primary visual cortex.
- Conditions
- Stroke, Ischemic, Quadrantanopia, Vision Loss Partial, Visual Field Defect, Peripheral
- Trial name
- NCT04798924
- Testing
- Subacute Training in the intact field, Subacute Training in the blind field, Chronic Training in the blind field
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Rochester