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
Glaucoma, Glaucoma Suspect
Philadelphia Telemedicine Glaucoma Detection and Follow-Up Study
The goal is to conduct a 5-year prospective, randomized controlled trial to test an innovative, community-based intervention using posterior and anterior fundus photography of the optic nerve and macula and intraocular eye…
- Conditions
- Glaucoma, Glaucoma Suspect, Diabetic Retinopathy, Ocular Hypertension
- Trial name
- NCT02390245
- Testing
- Free Eye Screenings, Enhanced Intervention, Usual Care
- Where
- United States
- Volunteers
- 906 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Visual Impairment
Development and Validation of an Automated Self-administered Visual Acuity System
Visual acuity tests, commonly conducted in clinics and used for health screenings, are becoming more in demand due to an aging population.
- Trial name
- AutoVA (NCT06540001)
- Testing
- Automated visual acuity
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tan Tock Seng Hospital
Visual Impairment, Hearing Loss
Survey of Sensory Impairment Indicators Among Adults Aged 65 Years and Older in Xinxing County
This cross-sectional population-based survey will be conducted among residents aged 65 years and older in Xinxing County, Yunfu, Guangdong Province, China.
- Conditions
- Visual Impairment, Hearing Loss, Dual Sensory Impairment, Cataract
- Trial name
- NCT07694505
- Where
- China
- Volunteers
- 2,854 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
AMD
Post-Approval Study of the Implantable Miniature Telescope
The objective of the PAS-01 study is to assess the safety of the intraocular as measured by the cumulative incidence of patients who within 5 years after implantation experience persistent vision-impairing corneal edema (corneal…
- Trial name
- PAS-01 (NCT01757132)
- Testing
- Implantable Miniature Telescope
- Where
- 16 sites in United States
- Volunteers
- 770 people, healthy volunteers welcome
- Sponsor
- VisionCare, Inc.
Space Flight Associated Neuro-ocular Syndrome
Countermeasures for Visual Impairment in Astronauts
This study is being done to prevent changes in the vision of astronauts during prolonged residence on the International Space Station or a mission to Mars.
- Trial name
- STOP-VIIP (NCT05016414)
- Testing
- Lower body negative pressure
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Texas Southwestern Medical Center
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Visual Acuity, Refractive Errors
Assessment of Visual Acuity in Refugee Population
The present research process is a prospective clinical study that will be conducted under the auspices of the Democritus University of Thrace (DUTH) in the open accommodation structure for refugees and immigrants of Kavala…
- Conditions
- Visual Acuity, Refractive Errors, Low Vision, Vision Disorders
- Trial name
- NCT05209581
- Testing
- Distance Visual Acuity Examination
- Where
- Greece
- Volunteers
- 330 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace
Visual Impairment
mHealth Intervention for Improving Eye Health at Community Level
This study is a community trial that aims to establish and evaluate an mHealth screening and promotional tool for improving eye health in Iran.
- Trial name
- Vison mHealth (NCT03922347)
- Testing
- Screening program including 2 consecutive tests, Screening program with mobile health
- Where
- Iran
- Volunteers
- 3,300 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Visual Impairment
Virtual Assistance for Daily Living: Neurophysiological and Functional Effects in Low Vision
This study aims to investigate how visual impairment affects neurophysiological and biomechanical responses during real-world navigation and daily activities, with a focus on the rehabilitative feasibility and impact of assistive…
- Trial name
- NCT07442461
- Testing
- VIS4ION Platform
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Hypoxia, Altitude
Colour Vision Impairment During Acute Hypobaric Hypoxia
This study analyses the impairment of colour vision during hypobaric hypoxia in volunteers of different groups.
- Trial name
- NCT05584813
- Testing
- Hypobaric Hypoxia
- Where
- Germany
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Universitätsklinikum Köln
Psychophysiology, Visually Impaired Persons
Study of Effectiveness of Audio Guided Deep Breathing on Improving the Quality of Life of Physically Disabled Group
Diaphragmatic breathing brings different advantages to improve physical and mental health but it could be difficult for the physically disabled group to follow the practice by themselves especially those with vision impairment.
- Conditions
- Psychophysiology, Visually Impaired Persons, Physiological Phenomena, Psychological Stress
- Trial name
- NCT05396027
- Testing
- Audio-guided deep breathing
- Where
- Malaysia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universiti Tunku Abdul Rahman
Child Sexual Abuse, Disability, Vision
The Effect of Nurse-Led Body Protection Education in Students With Visual Impairments
In the study, it was aimed to examine the effect of nurse-led body protection education on the sexual abuse knowledge levels of students with visual impairments.
- Trial name
- NCT06497803
- Testing
- Nurse-Led Body Protection Education, Reminder Education Brochure
- Where
- Turkey (Türkiye)
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Marmara University
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
Neurocognitive Disorders, Post Operative Delirium
Safe Brain Initiative, Operationalizing Precision Anaesthesia
Perioperatively, patients experience an unnecessarily high level of side effects associated with their treatment. These side effects include nausea, severe pain, anxiety, and stress.
- Conditions
- Neurocognitive Disorders, Post Operative Delirium, Pain, Nausea
- Trial name
- SBI (NCT05765162)
- Testing
- Patient reported ourcomes
- Where
- Denmark
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- University of Southern Denmark
Visual Impairment
Artificial Intelligence (AI) - Assisted Visual Impairment Screening Model: Community-based Implementation and Evaluation of Performance, Feasibility and Costs.
The goal of this observational study is to evaluate the performance, operational efficiency, acceptability, feasibility, and cost-effectiveness of an AI-assisted screening model for visual impairment in a community setting.
- Trial name
- NCT06877988
- Testing
- AI
- Where
- Singapore
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Singapore Eye Research Institute
Eye Disease
Characterization of Potential Biomarkers of Eye Disease and Vision
Characterize potential biomarkers of sight-threatening eye diseases based on the information acquired in clinical practice at CEC, AIBILI
- Trial name
- EYE-MARKER (NCT02500862)
- Where
- Portugal
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Association for Innovation and Biomedical Research on Light and Image
Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density
Prematurity as Predictor of Children's Cardiovascular-renal Health
Extreme preterm birth interferes with the development of the cardiovascular system. Both macro- as well as microvasculature undergoes extensive, organ specific maturation.
- Conditions
- Endothelial Dysfunction, Sublingual Capillary Glycocalyx and Density, Visual Disturbances and Blindness, Ventricular Dysfunction, Left
- Trial name
- PREMATCH (NCT02147457)
- Where
- Belgium
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Children Suffering From Cortical Visual Impairment
Validation of a Parental Questionnaire for Screening Children for Neurovisual Disorders
Some children present visual difficulties linked not to damage to the eye, but to damage to the brain. This type of dysfunction of the visual cerebral pathways leads, for example, to difficulties in recognition, visuomotor…
- Trial name
- NCT06997354
- Testing
- Questionnaire
- Where
- Belgium
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
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