Clinical trials: Visualization
Visual Acuity
Clinical Evaluation of Senofilcon A Contact Lenses Using a Novel Manufacturing Technology to Evaluate Overall Visual Acuity.
This study is a feasibility, multi-site, randomized, double-masked, 2-arm parallel group design, 2-week dispensing study with weekly visits to evaluate visual acuity.
- Trial name
- NCT05361304
- Testing
- senofilcon A contact lenses made with a novel manufacturing technology, senofilcon A contact lenses made with the current manufacturing technology
- Where
- 6 sites in United States
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Labor Pain
The Effect of Sacral Massage on Labor
Nonpharmacologic pain control methods, which are increasingly becoming widespread in coping with the labour pain, are the methods that allow women to completely relax without using any medication and direct them to perceive the…
- Trial name
- NCT03755284
- Testing
- Sacral Massage
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Semra Çevik, phD
Parkinson Disease
Effects of Gait Rehabilitation With Motor Imagery in People With Parkinson's Disease
This study aims to determine whether gait physiotherapy combined with motor imagery exercises has a superior effect than gait physiotherapy without motor imagery in people with Parkinson's disease.
- Trial name
- GAITimagery (NCT04788693)
- Testing
- Physical rehabilitation of gait with motor imagery, Physical rehabilitation of gait without motor imagery
- Where
- Spain
- Volunteers
- 74 people, healthy volunteers welcome
- Sponsor
- University of Valencia
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
Intraocular Lens Implantation, Cataract
Intraoperative Aberrometry vs Conventional Intraocular Lens Calculation, a Prospective Study.
the goal of this intervention study is to compare prospectively the accuracy of the power calculation between both groups, the intraoperative aberrometry (ORA) vs barrett universal II preoperative calculation (control group) .
- Conditions
- Intraocular Lens Implantation, Cataract, Humans, Ocular, Refraction
- Trial name
- ORAVSCTRL (NCT06219252)
- Testing
- Intraoperative aberrometer, Preoperative intraocular lens calculation
- Where
- Mexico
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Healthy, Nutrition Poor
Effects of Lutein on Visual Function
Randomized, double blind, placebo-controlled intervention trial on the ocular benefits and inflammatory markers improvements of taking FloraGLO Lutein for 9 months.
- Trial name
- NCT03113864
- Testing
- Lutein
- Where
- United Kingdom
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Kemin Foods LC
Anxiety Disorder, Head Injury
Neuropsychological Evaluation of Psychiatric and Neurological Patients
This study will allow researchers to use various types of tests to evaluate cognitive and sensory functions. These tests, referred to as "batteries" will evaluate attention, executive functions, general intellectual functioning…
- Conditions
- Anxiety Disorder, Head Injury, Mood Disorder, Schizophrenia
- Trial name
- NCT00001192
- Where
- 7 sites in United States, France and 1 more
- Volunteers
- 4,300 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
Normal Individuals With Visual Aberrations
Comparison of Four Different Aberrometers for Evaluation of Higher Order Visual Aberrations
An aberrometer measures visual aberrations by mapping how light rays travel through the eye and by providing maps using colored gradients to represent the magnitude of refractive errors of the eye.
- Trial name
- NCT01230164
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
Myopia, Hyperopia
Comparing Low-cost Handheld Autorefractors - a Practical Approach to Measuring Refraction in Low Resource Settings
Study compares four portable vision measurement and eye-imaging technologies in terms of accuracy and time and ease of use with older adult (ages 40-100) participants in a developing-country setting (India).
- Trial name
- NCT03456245
- Testing
- Vision device validation
- Volunteers
- 205 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Age Related Macular Degeneration
Visual Function Tests in Age-related Macular Degeneration
The goal of this study is to assess a battery of visual function tests in subjects with non-exudative age-related macular degeneration
- Trial name
- NCT03275753
- Testing
- Visual Function Tests
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- ORA, Inc.
Stroke, Rehabilitation
Rhythmic-Based Training with Immersive Mirror Visual Feedback for Neuro-Rehabilitation
In the proposed study, the investigators assumed that rhythmic-based training with immersive mirror visual feedback will provide a better treatment effects than traditional mirror therapy for the patients with unilateral stroke.
- Conditions
- Stroke, Rehabilitation, Virtual Reality, Mirror Movement Therapy
- Trial name
- NCT06056219
- Testing
- Mirror therapy, Virtual reality-based mirror therapy with rhythmic skill training, Task-oriented training
- Where
- Taiwan
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- National Cheng-Kung University Hospital
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
Stroke, Dyslexia, Acquired
Neurofeedback Intervention for Reading Deficits in Subacute Stroke
The overall goal of this project is to advance a biologically-based approach to treatment of reading disorders after stroke, which will expand the limits of cognitive rehabilitation.
- Trial name
- ReadingNFB (NCT04875936)
- Testing
- Motor Imagery and Real-Time fMRI Neurofeedback
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Kessler Foundation
Pain, Fear
The Effect of Bubble Machine and Cartoon on Pain and Fear
Aim: This study aimed to compare the effects of cartoon-based audiovisual distraction and bubble-machine-based visual distraction on pain and fear during venipuncture in preschool children.
- Conditions
- Pain, Fear, Nurse
- Trial name
- NCT07776860
- Testing
- Implementation of Bubble Machine, Implementation of Cartoon
- Where
- Turkey (Türkiye)
- Volunteers
- 123 people, healthy volunteers welcome
- Sponsor
- Ege University
Eye Movements, Attention
An Investigation of Attentional and Inhibitory Processes During Active Visual Search in Humans
The goal of this study is to investigate the finding that there are large individual differences in how participants move their eyes during active visual search.
- Conditions
- Eye Movements, Attention, Executive Function
- Trial name
- NCT06587113
- Testing
- Contour Search Task, Stop signal Task, Useful field of View
- Where
- United States
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Glaucoma
Human Optokinetic Contrast Device (HOCD) to Measure Visual Function and Identify Patients With and Without Glaucoma
The purpose of this study is to determine if an optokinetic contrast detection device is sufficient to measure contrast sensitivity and to distinguish between patients with and without glaucoma.
- Trial name
- HOCD (NCT02014597)
- Testing
- HOCD
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Benjamin Frankfort, MD, PhD
Healthy
Brain and Mindfulness
The main aim of this project is to explore the neuro-anatomical and -physiological correlates of meditation on attention and emotion-regulation.
- Trial name
- MEDITATION (NCT03117478)
- Testing
- Magneto-encephalography (MEG), Electro-encephalography (EEG), Functional Magnetic Resonance Imaging (fMRI)
- Where
- France
- Volunteers
- 169 people, healthy volunteers welcome
- Sponsor
- Hospices Civils de Lyon
Healthy Volunteer, Neurodegenerative Diseases
Visual Motor Coordination
Background: The relation between eye movement and brain function is a subject of interest to the National Eye Institute. By comparing eye movement in healthy volunteers to research conducted on patients who have difficulty moving…
- Trial name
- NCT00568243
- Where
- United States
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Low Vision
Wearable Echolocation Aids Using Parametric Sound
The objective of this study is to study a novel device designed to aid patients with impaired vision to safely navigate their environment.
- Trial name
- NCT07218991
- Testing
- Wearable Echolocation Device
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Bereavement, Healthy
The Impact of Familiarity and Emotional Attachment on the Visual Processing of Faces
This study uses functional magnetic resonance imaging (fMRI) to look at brain activity while patients view pictures of people's faces that they are familiar with or have emotional attachment to.
- Trial name
- NCT00001913
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- National Institute of Mental Health (NIMH)
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