Clinical trials: Visual Impairment
Blindness, Spinal Cord Injury
Use of "Smart Wheelchairs" to Provide Independent Mobility to Visual and Mobility Impairments
The goal of this project is to evaluate the Smart Wheelchair Component System (SWCS) for power wheelchairs and the Smart Power Assistance Module (SPAM) for manual wheelchairs in realistic indoor environments with target users…
- Trial name
- NCT00333762
- Testing
- Smart Power Assistance Module (SPAM), Smart Wheelchair Component System (SWCS)
- Where
- 2 sites in United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
Low Vision, Age Related Macular Degeneration
Early Feasibility Study Using IOPCL MAG to Improve Near Vision in ARMD Subjects
This early feasibility study aims to improve near vision in subjects 55 years or older who have a clinical diagnosis of Age-Related Macular Degeneration.
- Trial name
- NCT04984590
- Testing
- IOPCL AMD MAG
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- OnPoint Vision Inc
Low Vision, Orientation
SmartHMD for Improved Mobility
The National Eye Institute estimated about 3 million people over age 40 in the US had low vision in 2010 and projects an increase to nearly 5 million in 2030 and 9 million in 2050.
- Conditions
- Low Vision, Orientation, Mobility Limitation, Navigation, Spatial
- Trial name
- NCT03781583
- Testing
- SmartHMD version 1, SmartHMD version 2, SmartHMD version 3
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- James Weiland
Relative Afferent Pupil Defect (RAPD)
Measuring Relative Afferent Pupillary Defect
The goal of this prospective reliability study is to test the effectiveness of a commercially available, off-the-shelf virtual reality head-mounted display (VR HMD) and machine learning (ML) algorithms in detecting Relative…
- Trial name
- RAPD (NCT05799066)
- Testing
- Swinging Light test, Virtual Reality Head-Mounted Display (VR HMD)
- Where
- United States
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Glaucoma
Adult Providing Access to the Visual Environment (PAVE) - Glaucoma Pilot
We wish to evaluate a potential training program for patients with glaucoma, to become more efficient users of prescribed low vision devices for distance and near vision tasks.
- Trial name
- PAVE (NCT00338208)
- Testing
- Training in the Use of Low Vision Devices
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Low Vision Aids
Tactile Low Vision Labeling of Ophthalmic Drops
The purpose of this study is an evaluation of a tactile labeling strategy developed in the Ophthalmology Clinical Research Center at University of Texas Medical Branch (UTMB) in collaboration with the UTMB Maker Space to improve…
- Trial name
- NCT04483882
- Testing
- Tactile Labels for Drug identity and dose frequency
- Where
- United States
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Cognitive Impairment, Mood Disorders
Performances of a Brief Assessment Tool for the Early Diagnosis of Geriatric Syndromes by Primary Care Physicians
The AGE (Active Geriatric Evaluation) aims to develop a brief assessment tool adapted to the primary care setting.
- Conditions
- Cognitive Impairment, Mood Disorders, Urinary Incontinence, Malnutrition
- Trial name
- NCT01816087
- Testing
- brief geriatric assessment
- Where
- Switzerland
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- University of Lausanne
Visual Impairment
Feasibility and Efficacy of Assisstive Tactile and Auditory Communicating Devices
This pilot study will integrate multi-sensor fusion techniques (software) to effectively combine information obtained from the newly embedded infrared, ultrasound, and stereo-camera-based sensor systems (hardware) that are…
- Trial name
- VIS4ION (NCT03174314)
- Testing
- Standard object battery and training sequence, VIS4ION System
- Where
- 4 sites in United States, Thailand
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Age-related Macular Degeneration, Dementia
Words on the Brain: Can Reading Rehabilitation for Age-Related Vision Impairment Improve Cognitive Functioning?
Age-related vision impairment and dementia both become more prevalent with increasing age. Research into the mechanisms of these conditions has proposed that some of their causes (e.g., macular degeneration/glaucoma and…
- Conditions
- Age-related Macular Degeneration, Dementia, Low Vision, Low Vision Aids
- Trial name
- WOTB (NCT04276610)
- Testing
- Low Vision Reading Rehabilitation
- Where
- 2 sites in Canada
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Intellectual Disability, Intellectual Impairment
Perceptual-vision Training and Intellectual Disabilities
Physical activity for healthy ageing is an important feature and the possibility to detect practical solutions to solve the need for feasible health promotion interventions to reduce health disparities and wellbeing in…
- Conditions
- Intellectual Disability, Intellectual Impairment, Activity, Motor, Sports Physical Therapy
- Trial name
- NCT06628999
- Testing
- Visual Training, Control Group, Visual Training-detraining
- Volunteers
- healthy volunteers welcome
- Sponsor
- Università degli Studi dell'Insubria
Premature Retinopathy, Visual Impairment
Evaluation of Visual - Motor Development in Children With Retinopathy of Prematurity
The aim of this study was to investigate the eye structure, visual impairment, visual motor development and motor coordination of children between 2-6 ages that had applied to diod laser photocoagulation and intravitreal anti …
- Conditions
- Premature Retinopathy, Visual Impairment, Motor Delay
- Trial name
- NCT03865134
- Testing
- Snellen Test, Autorefractometer, Titmus Stereo Fly Test
- Where
- Turkey (Türkiye)
- Volunteers
- 69 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Visual Impairment, Cognitive Change
Peripheral Vision Training Study
This study will train participants (young people and older adults) to do a visual task, and will assess whether this results in changes in behavioral assessments.
- Trial name
- PVTS (NCT03141164)
- Testing
- computerized training
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
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
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
Retinal Dystrophies, Healthy
Optical Head-Mounted Display Technology for Low Vision Rehabilitation
The goal of this study is to examine the ability of optical head-mounted display technology to enlarge the visual field of patients with severe visual field loss due to retinal dystrophy and to improve mobility and…
- Trial name
- NCT02983305
- Testing
- Head-Mounted Display
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Language Impairment, Autism
Pilot Evaluation of the Developed Syntactic-Semantic Visual Configuration Intervention for Children With Language Impairment
This study will pilot a newly developed Syntactic-Semantic Visual Configuration Intervention (SSVCI) designed to help Urdu-speaking children with language impairment improve their ability to understand and produce phrases and…
- Conditions
- Language Impairment, Autism, Hearing Impaired Children, Down Syndrome
- Trial name
- NCT07786545
- Testing
- Syntactic-Semantic Visual Configuration Intervention (SSVCI)
- Where
- Pakistan
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Riphah International University
Vision Loss
Perception of Objects and Natural Scenes in People With Vision Loss (ACTIVIS)
The loss of central vision causes difficulty not only in reading but also in faces recognition, and in particular in the identification of facial expression, objects or spaces.
- Trial name
- ACTIVIS (NCT02862405)
- Testing
- vision tests
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Lille Catholic University
Choroideremia
The Dark-Adapted Retinal Function Response in Choroideremia (DARC) Study
Choroideremia (CHM) is an inherited retinal disorder that causes progressive vision loss, ultimately leading to complete blindness.
- Trial name
- DARC (NCT05045703)
- Testing
- Vitamin A palmitate
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Night Vision Complaints, Decrease in Night Vision
The Safety and Efficacy of Phentolamine Mesylate Ophthalmic Solution in Subjects With Severe Night Vision Disturbances
The objectives of this study are: To evaluate the efficacy of phentolamine mesylate 0.5% and 1.0% ophthalmic solution (Nyxol) in the treatment of night vision complaints, including reduced contrast sensitivity To evaluate the…
- Conditions
- Night Vision Complaints, Decrease in Night Vision, Disturbance; Vision, Loss
- Trial name
- NCT01703559
- Testing
- Phentolamine Mesylate Ophthalmic Solution 1.0%, Phentolamine Mesylate Ophthalmic Solution 0.5%
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Opus Genetics, Inc
Refractive Error - Myopia Axial, Astigmatism
Refractive Accuracy of "2WIN" and Portable Autorefractors
Youth and some adults have photoscreening refractions and hand-held auto refraction before cycloplegia refraction during new and follow up eye examinations.
- Conditions
- Refractive Error - Myopia Axial, Astigmatism, Accomodation, Visual Impairment
- Trial name
- NCT04249505
- Testing
- "2WIN" Photoscreener, "Plusoptix A12", "Retinomax"
- Where
- United States
- Volunteers
- 708 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery