Clinical trials: Visual Impairment
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
Idiopathic Intracranial Hypertension
Idiopathic Intracranial Hypertension Treatment Trial
Idiopathic intracranial hypertension (IIH), also called pseudotumor cerebri, is a disorder of elevated intracranial pressure of unknown cause [Corbett, et al., 1982; Wall, et al., 1991].
- Trial name
- IIHTT (NCT01003639)
- Testing
- Acetazolamide, Formal weight loss counselling program
- Where
- 41 sites in United States, Canada
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- St. Luke's-Roosevelt Hospital Center
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
Binocular Vision Disorder, Visual Impairment
Evaluation of Tests Performance on a New Digital Orthoptic Platform
This clinical trials aims to evaluate Tests Performance on a New Digital Orthoptic Platform.
- Trial name
- ESPPADON (NCT02651389)
- Where
- France
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- University Hospital, Brest
Age-related Macular Degeneration
Visual Remapping to Aid Reading With Field Loss
Reading performance in patients with Central Vision Loss and age matched controls with artificial scotomas will be measured with and without different kinds of remapping of missing text to different parts of the visual field.
- Trial name
- NCT03848663
- Testing
- Traditional Remapping, Personalized Remapping
- Where
- United States
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
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
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
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
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
Neurofibromatosis Type 1 (NF1), NF2-related Schwannomatosis
How Can the Experience of Hospital Outpatient Departments be Improved?
This project aims to improve outpatient departments by working with patients and staff to make these spaces more inclusive for people with sensory challenges (it focuses on people with nerve tumour conditions as they are more…
- Trial name
- NCT07818213
- Testing
- Qualitative data collection activities
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- King's College London
Central Visual Impairment, Macular Degeneration
Factors in Learning And Plasticity: Healthy Vision
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 (NCT05439759)
- Testing
- Condition 1: Training visual sensitivity, Condition 2: Training spatial integration, Condition 3: Training spatial attention
- Where
- 2 sites in United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Visual Impairment
Cell Phone Application for Vision Assessment
The purpose of this study is to evaluate how visual acuity assessed with Peek Acuity (a cell phone application to check visual acuity) among preschool and school-aged children 3 to less than18 years of age (1) compares to the…
- Trial name
- NCT03212222
- Testing
- Peek Acuity, Standard Visual Screening
- Where
- United States
- Volunteers
- 111 people, healthy volunteers welcome
- Sponsor
- Duke University
Cortical Blindness, Stroke Ischemic
Mechanisms of Visual Restoration After Occipital Stroke
This project will collect brain imaging data to quantify the effects of early visual cortex damage and visual training interventions on the structure and function of the residual visual system.
- Conditions
- Cortical Blindness, Stroke Ischemic, Vision Loss Partial, Visual Fields Hemianopsia
- Trial name
- MOVROS (NCT07134777)
- Testing
- MRI
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Vision Impairment, Eye Diseases
The Proactive Ophthalmic Examination Cohort
The Proactive Ophthalmic Examination Cohort of Older Adults is a prospective cohort study recruiting community-dwelling older adults aged 65 years or older.
- Trial name
- POEC (NCT05851287)
- Where
- China
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
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
Eye Diseases
iSCREEN-study: Online Nurse-assisted Eye-screening in Home Healthcare
The aim of this study is to investigate the cost-effectiveness of a nurse-assisted online eye-screening in home healthcare in reducing eye complaints.
- Trial name
- NCT06058637
- Testing
- Eye screening
- Where
- Netherlands
- Volunteers
- 234 people, healthy volunteers welcome
- Sponsor
- Amsterdam UMC, location VUmc
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
Central Vision Loss From Macular Diseases
Training to Modify Fixational Eye Movements for Optimizing Visual Performance in People With Central Vision Loss
People with central vision loss almost all have exaggerated fixational eye movements when compared with people with normal vision (e.g. larger amplitudes of microsaccades and ocular drifts).
- Trial name
- NCT06670989
- Testing
- Fixation training
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Vision Loss Night
Comparison of Different Refraction Measurements in Adults
The combatant is likely to carry out missions any time, any place, day or night. The very strong degradation of natural vision performance in these conditions justifies the use of visual replacement means, based on optronic…
- Trial name
- REFRACT (NCT04434521)
- Testing
- Questionnaire, Eye examination
- Where
- France
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Direction Centrale du Service de Santé des Armées
Schizophrenia, Schizoaffective Disorder
NEURO-COGS: Neurometabolic Mechanisms of Cognitive Training in Schizophrenia
This study will examine brain metabolic and excitatory/inhibitory mechanisms related to cognitive and visual functioning in adults with schizophrenia and healthy control participants.
- Conditions
- Schizophrenia, Schizoaffective Disorder, Cognitive Impairment, Visual Impairment
- Trial name
- NCT07788755
- Testing
- Perceptual Discrimination Training, Cognitive Control Training
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- University of Minnesota