Clinical trials: Vision Impairment
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
Behavioral Dynamics, Visual Impairment
Behavioral Dynamics Between Infants With Visual Loss and Healthy Controls
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT03431207
- Testing
- Standardized video recording for behaviors
- Where
- China
- Volunteers
- 4,196 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Frailty, Age-Related Macular Degeneration
Visual Frailty in Ageing
The goal of this observational study is to define visual frailty and refine monitoring for an ageing population. It involves piloting a visual frailty assessment tool in a cohort of patients aged 60 and above with a known…
- Conditions
- Frailty, Age-Related Macular Degeneration, Functional Status, Mental Health
- Trial name
- VFiA (NCT06604104)
- Where
- 2 sites in United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Edinburgh
Visual Impairment
Post-market Evaluation of OdySight App to Monitor Near Visual Acuity at Home (TIL002)
OdySight is a mobile application allowing self-testing of visual parameters including near visual acuity and communication of the data to an online dashboard to patient's doctors.
- Trial name
- TIL002 (NCT05510479)
- Testing
- Software as medical device
- Where
- 3 sites in France
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Tilak Healthcare
Low Vision
Obstacle Negotiation in Older People With and Without Vision Impairment
Falls are common among people with vision impairment and can lead to devastating health consequences. Understanding the functions of vision and how the visual characteristics of obstacles in the walking path impact the gait of…
- Trial name
- NCT05888441
- Testing
- Obstacle characteristics
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Indiana University
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
Vision; Disorder, Loss, Caregiver Burnout
Virtual Health Education vs Meditation in Irreversible Age-Related Vision Loss Patients and Their Caregivers
Vision loss is common among older adults and leads to an increased risk for depression and difficulties in daily tasks, thus requiring dependence on caregivers.
- Conditions
- Vision; Disorder, Loss, Caregiver Burnout, Quality of Life, Depression
- Trial name
- NCT04583748
- Testing
- Sahaj Samadhi Meditation, Health Enhancement Program
- Volunteers
- healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Age Related Macular Degeneration
Study on Visual Function Impairments in Dry Age-related Macular Degeneration
The study hypothesis is that patients with dry age-related macular degeneration experience visual function impairments such as defects in dark adaptation, glare intolerance, poor light transition and reading in low lighting…
- Trial name
- NCT01822873
- Where
- United States
- Volunteers
- 128 people, healthy volunteers welcome
- Sponsor
- Duke University
Visual Impairment, Refractive Error
Frequency of Visual Impairment Among School Children and Effectiveness of mHealth Referral Reminder on Uptake of Referral Services
This study tested whether mobile health (mHealth) tools can affect referral uptake among schoolchildren with vision problems.Visual impairment in children often goes untreated in low- and middle-income countries, even when…
- Trial name
- NCT06616051
- Testing
- Multicomponent SMS reminder
- Where
- Pakistan
- Volunteers
- 320 people, healthy volunteers welcome
- Sponsor
- Syed Fawad Mashhadi
Depression in Old Age, Ketamine
Effect of Ketamine in Depressive Symptoms of Elderly Patients With Visual Impairment.
the prevalence of depression in elderly is from 4 to 30% and is associated with a lower quality of life mayor medical comorbidity, and increased mortality.
- Trial name
- NCT03473431
- Testing
- Ketamine, control
- Where
- Mexico
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
Glaucoma, Retinal Pathology
Ability of Patients With Low Vision to Properly Instill Eye Drops
The investigators are interested in seeing how people with low vision (decreased visual acuity or restricted visual fields) instill eye drops into their own eyes.
- Trial name
- NCT00760240
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Mid-Atlantic Glaucoma Experts
Stroke, Visual Defects
Differentiation of Human Body Balance Disorders
Our research aims to analyze the possibilities of functional assessment of imbalances in the human body. Using the available, commonly known and used tests and devices for objective examination of static and dynamic body balance…
- Conditions
- Stroke, Visual Defects, Labyrinth Diseases, Cervical Spine Degenerative Disease
- Trial name
- NCT07395180
- Testing
- Patients after stroke, Patients with posterior columns of the spinal cord, Patients with labyrinth diseases
- Where
- Poland
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Military Institute od Medicine National Research Institute
Parkinson Disease, Visual Impairment
The Correlation of Reduction of Levodopa and Non-motor Symptoms of Parkinson's Disease After Deep Brain Stimulation
Patients with parkinson disease (PD) usually reduced the dose the levodopa after received deep brain stimulation (DBS). However, studies seldomly mentioned about the influences on non-motors systems after the reduction.
- Trial name
- NCT05901350
- Testing
- Levodopa
- Where
- China
- Volunteers
- 338 people, healthy volunteers welcome
- Sponsor
- Qilu Hospital of Shandong University
Myopia, Visual Fatigue
Discussion on the Effectiveness of Tea on Blood Pressure, Body Composition and Vision Problems in College Students
Background: Tea is a universal beverage and one of the most popular drinks around the world. Some cell and animal experiments have pointed out that drinking tea may be related to hypotension, body composition and vision problems…
- Conditions
- Myopia, Visual Fatigue, Blood Pressure, Body Composition
- Trial name
- NCT06570226
- Testing
- hibiscus tea
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hungkuang University
Vision Impairment
Providing Access to the Visual Environment
Providing Access to the Visual Environment is a pediatric low vision grant which has the ability to provide comprehensive, interdisciplinary low vision rehabilitation services to every child in Tennessee with a vision impairment.
- Trial name
- NCT00341744
- Where
- United States
- Volunteers
- 795 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Retinitis Pigmentosa
Safety and Efficacy of the Alpha AMS Subretinal Implant
The aim of this single-centre study is to assess the safety and efficacy of the Retina Implant Alpha AMS (Retina Implant AG, Reutlingen, Germany) in participants with severe visual impairment secondary to outer retinal…
- Trial name
- OX-RI (NCT02720640)
- Testing
- Implant 'on' vs implant 'off'
- Where
- United Kingdom
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- University of Oxford
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
Visual Impairment, Healthy
Touching the World With a Cane: Cognitive and Neural Processes
The use of tools is ubiquitous in our lives and allows us to expand the sensorimotor capacities of our body. Much research has been done on the subject in sighted people over the past decades.
- Trial name
- TOOL_TOUCH (NCT05199896)
- Testing
- Behavioral protocol, EEG protocol, fMRI protocol
- Where
- France
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon