Clinical trials: Vision Loss
Healthy
Effectiveness of the Serious Game 'Broodles' for Siblings of Children With Visual Impairment and/or Intellectual Disability
The support for siblings of children with disabilities is scarce and fragmented, even though studies have shown that these siblings can benefit from support.
- Trial name
- NCT05376007
- Testing
- Serious game 'Broodles'
- Where
- Netherlands
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- VU University of Amsterdam
Concussion, Eye
The Effects of Concussion on Gait and Posture in Individuals With Peripheral Vision Loss
Changes in gait and balance often occur in individuals who have suffered a concussion. In addition, a subset of concussed individuals also experience peripheral vision loss.
- Trial name
- NCT05948501
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Gaylord Hospital, Inc
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.
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
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
Primary Open Angle Glaucoma
Glaucoma, Visual Field Loss, and Their Association With Life Space in Older Adults
Mobility refers to a person's purposeful movement through the environment from one place to another and can be conceptualized as a continuum from bed bound (immobility) on one extreme to making excursions to distant locations on…
- Trial name
- NCT04396002
- Testing
- Life Space Questionnaire, Low Luminance Questionnaire, Contrast sensitivity under dim illumination
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Alabama at Birmingham
Obesity, Malignant Neoplasm
A Study to See if an iPhone Weight Management App Can Help Promote Weight Loss in Adolescents and Young Adults After a Stem Cell Transplant
This early phase I trial studies how well a behavioral weight loss intervention consisting of a smartphone application and coaching works for the promotion of weight loss in adolescents and young adults after a stem cell…
- Trial name
- NCT04453072
- Testing
- Interview, Media Intervention, Questionnaire Administration
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Jonsson Comprehensive Cancer Center
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
Age Related Macular Degeneration
Use of Self-management Group to Improve Quality of Life in Patients With Low Vision
120 Patients with visual acuity <6/12 will be randomized to receive either usual care or participate in a 6-week, 2 hour 'Living with Vision Loss' program led by trained leaders.
- Trial name
- NCT03046485
- Testing
- Self management program 'Living with Vision Loss'
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Pituitary Adenoma, Visual Impairment
Clinical Study of Structural and Functional Evaluation of the Visual Pathway
Sellar area tumors such as pituitary adenoma, craniopharyngioma and meningioma, etc, commonly lead to visual impairment symptoms.
- Conditions
- Pituitary Adenoma, Visual Impairment, Sellar Tumor, Neuroimaging
- Trial name
- NCT03591315
- Testing
- resting state fMRI, visual tasking state fMRI, diffusion tensor imaging
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiangya Hospital of Central South University
Myopia, Quality of Life
Functional Vision and Quality of Life in a Modern Society - With Emphasis on Myopia and Cerebral Visual Impairment Among Youth
Society has become increasingly digital, and many everyday services have been replaced by digital self-service solutions. This puts greater demands on our vision and our ability to interpret what we see.
- Trial name
- NCT07653074
- Testing
- ophthalmological examination
- Where
- Sweden
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Region Örebro County
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
Measuring of Neuro-visual Functionality With Ocusweep
The aim of this study is to measure visual acuity, contrast sensitivity and visual field by SAP-method using a novel device Ocusweep compared to currently widely used methods.
- Trial name
- NCT02258113
- Testing
- Ocusweep, Ocusweep OcuRT
- Where
- Finland
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Ocuspecto Oy
Hearing Loss, Hearing Loss, Age-Related
Sight and Hearing Investigation Into Effects on Delirium
The goal of this observational study is to learn about sensory loss in hospital patients with delirium. The main questions it aims to answer are: Are hearing and vision loss related to increased risk of having delirium? Do…
- Conditions
- Hearing Loss, Hearing Loss, Age-Related, Hearing Disability, Delirium
- Trial name
- SHIELD (NCT06176625)
- Testing
- Communication Signage, Amplifier Use
- Where
- United States
- Volunteers
- 1,543 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Healthy, Vision; Disorder, Loss
Associations Between Vision and Brain Function
Case-control studies and meta-analysis have reported that several ocular features, especially the thickness of the peripapillary retinal nerve fiber layer and visual acuity, are related to the brain degeneration and cognitive…
- Trial name
- NCT04226729
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Visual Impairment, Amblyopia
Developing Better Computerised Vision Tests (CVTV)
Clinical vision measurements usually involve printed charts with an eye care professional interpreting patient responses to generate a score. Those scores determine the need for or outcome of treatment.
- Conditions
- Visual Impairment, Amblyopia, Macular Degeneration, Ophthalmic Disease
- Trial name
- CVTV (NCT06224751)
- Testing
- Near logMAR letter acuity, Near LogMAR word acuity, Red Green Stereoacuity
- Where
- United Kingdom
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Guy's and St Thomas' NHS Foundation Trust
Cognition Disorders
Impact of Glasses for Vision Problems on Cognitive Function in Rural Older Adults
The aim of this project is to explore whether vision correction can effectively slow cognitive decline in older adults. The primary question it seeks to answer is: Can providing free near and/or distance vision correction glasses…
- Trial name
- CLEVER (NCT06836440)
- Testing
- Free Prescription Glasses
- Where
- China
- Volunteers
- 964 people, healthy volunteers welcome
- Sponsor
- Yuju Wu
Glaucoma
Does Glaucoma Cause Loss of Brain Function?
The purpose of the study is to determine if glaucoma is associated with neurodegenerative changes in areas of the brain other than the occipital lobe.
- Trial name
- NCT01303939
- Testing
- magnetic resonance imaging (MRI) of the brain
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Parkinson Disease
" Visual Characterization of Parkinson's Patients and Oculomotor or Perceptual Therapy"
Parkinson's disease (PD) is the second most common neurodegenerative condition worldwide, characterised by motor symptoms, but with other symptoms such as visual impairment.
- Trial name
- NCT06032130
- Testing
- Clinical measurements, Oculomotor or perceptual therapy
- Where
- Spain
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Weight Loss
Study to See How Low Level Laser Light Affects Subcutaneous Fat Around the Hips and Waist
The purpose of this pilot study is to demonstrate the anatomical modulation of subcutaneous fat across the waist and hips that occurs through application of the Erchonia® ML Scanner (MLS) Laser manufactured for non-invasive body…
- Trial name
- NCT01292564
- Testing
- Erchonia MLS
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Erchonia Corporation