Clinical trials: Visual Impairment
Central Visual Impairment, Peripherical Visual Impairment
A Study of Taste- and Olfactory-Evoked Potentials in Patients With Visual Impairment: Taste, Smell, and Vision
Visual impairment, whether central or peripheral, may influence the plasticity of other sensory modalities, such as taste and smell.
- Conditions
- Central Visual Impairment, Peripherical Visual Impairment, Macular Retinal Dystrophy, Peripherical Macular Dystrophy
- Trial name
- GOUSTAVIS (NCT07707219)
- Testing
- Taste and smell evaluation, Recording of evoked potentials (EP)
- Where
- France
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire Dijon
Low Vision Aids
Comparative Effect of Cylindrical Lenses Verses Spherical Equilient on Contrast Sensitivity
the concept of spherical equivalent plays a pivotal role in simplifying the prescription and enhancing communication between eye care professionals and patients.
- Trial name
- NCT06407336
- Testing
- Contrast sensitivity, Refraction
- Where
- Pakistan
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Superior University
Vision Impairment, Blindness
Assessment of the Validity, Reliability, and Feasibility of Two Smartphone Applications for Testing the Visual Acuity
Visual acuity (VA) is the most common measure of visual function globally. In clinical settings and during screening events, VA is an important measure to quantify changes in vision over time.
- Trial name
- NCT04936100
- Testing
- Assessment of distance and near visual acuity using "Vision Screening module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Test Yourself module" of "Easy Vision" application, Assessment of distance and near visual acuity using "Peek Acuity" application
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Vision Impairment and Blindness, Glaucoma
Developing and Testing a Model to Identify Preventive Vision Loss Among Older Patients in General Practice
In this cohort study, the investigators will test vision screenings in Danish general practice for patients over 70 years of age with minimum one chronic condition.
- Conditions
- Vision Impairment and Blindness, Glaucoma, Age-Related Macular Degeneration, Cataract
- Trial name
- DETECT (NCT07015034)
- Testing
- focus on vision impairment in older patients in general practice
- Where
- 2 sites in Denmark
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- University of Copenhagen
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.
Blindness
Evaluation of the Efficacy of the BrainPort Vision Pro on the Performance of Daily Activities in the Profoundly Blind French Population
The purpose of the study is to evaluate the effectiveness and safety of the BrainPort® Vision Pro, an electronic oral assistive device, in the performance of daily tasks by French persons who have residual vision limited to light…
- Trial name
- NCT04725760
- Testing
- BrainPort Vision Pro
- Where
- 7 sites in France
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Wicab
Disabilities, Visual Impairment and Blindness (Excl Colour Blindness)
Study Protocol: The Jerte Valley as an Inclusive Outdoor Classroom. Smart and Active Tourism.
To promote the inclusion of people with disabilities, an outdoor intervention will be conducted involving physical activities with adolescents with and without disabilities.
- Trial name
- NCT07609459
- Testing
- Rafting, canoeing and kayaking, Divulgation
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Universidad de Extremadura
Persons With Visual Disabilities, Breast Neoplasms
Breast and Cervical Cancer Awareness Training in Visually Impaired Women
This quasi-experimental study aims to determine whether a breast and cervical cancer awareness training program can increase participation in cancer screening among women with visual impairments.
- Conditions
- Persons With Visual Disabilities, Breast Neoplasms, Uterine Cervical Neoplasms, Awareness
- Trial name
- GORSEM (NCT07541859)
- Testing
- Cancer Screening Awareness Education for Visually Impaired Women
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- Marmara University
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
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
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