Clinical trials: Low Vision
Meibomian Gland Dysfunction
The Impact of Dry Eye Syndrome on Metrics of Low Contrast Vision Before and After Meibomian Gland Expression
The study aims to determine the impact of Meibomian Gland Dysfunction (MGD) dry eye on low contrast black/white (luminance) and cone color sensitivity performance and improvement in these functions after in-house non-invasive…
- Trial name
- NCT05713981
- Testing
- Meibomian gland (MG) expression
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of the Incarnate Word
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
Open Angle Glaucoma, Normal Tension Glaucoma
Ocular Blood Flow in Glaucoma Patients - the Leuven Eye Study
Glaucoma is a leading cause of blindness worldwide, whose treatment - intraocular pressure lowering - is only partially effective in preventing disease progression.
- Trial name
- NCT01840202
- Where
- Belgium
- Volunteers
- 770 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Mean Blur Ratio
Isometric Exercise in NTG
Glaucoma is the second leading cause of blindness worldwide. Literature shows increasing evidence that dysfunction of ocular microcirculation in the optic nerve influences the progression of glaucoma.
- Trial name
- NCT03921372
- Testing
- Isometric exercise
- Where
- Austria
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Augenabteilung Allgemeines Krankenhaus Linz
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)
Low Tension Glaucoma
Evaluation of Blood Flow Regulation With Laser Speckle Flowgraphy
The study includes Caucasian patients with diagnosis of normal tension glaucoma and age- and sex-matched healthy individuals. Measurements of optic nerve head blood flow will be performed with laser speckle flowgraphy (LSFG).
- Trial name
- NCT03391518
- Testing
- Water drinking test
- Where
- Austria
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Augenabteilung Allgemeines Krankenhaus Linz
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
AI (Artificial Intelligence), Mammary Cancer
Experiment on the Use of Innovative Computer Vision Technologies for Analysis of Medical Images in the Moscow Healthcare System
It is planned to integrate various services based on computer vision technologies for analysis of the certain type of x-ray study into Moscow Unified Radiological Information Service (hereinafter referred to as URIS).
- Conditions
- AI (Artificial Intelligence), Mammary Cancer, Lung Cancer, X-Rays; Lesion
- Trial name
- NCT04489992
- Where
- Russia
- Volunteers
- 133,000 people, healthy volunteers welcome
- Sponsor
- Research and Practical Clinical Center for Diagnostics and Telemedicine Technologies of the Moscow Health Care Department
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
Glaucoma
Psychopathology of Normal-tension Glaucoma in Hong Kong Chinese Out-patient
It is suggested the pathogenesis of normal-tension glaucoma (NTG) involves vascular dysregulation. In the past studies, it is well documented that many physical problems related to vascular dysregulation, such as angina pectoris…
- Trial name
- NCT00324181
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Chinese University of Hong Kong
Myopia
Evaluating NeuroVision's Neural Vision Correction (NVC) Myopia Treatment
The purpose of the present study is to carry out a trial to evaluate the clinical efficacy of the NeuroVision Low Myopia Treatment. The specific questions to be answered are: 1.
- Trial name
- NCT00469612
- Testing
- NeuroVision's NVC treatment for Low Myopia
- Where
- United States
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- Ohio State University
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