Clinical trials: Visualization
Visual Acuity
Effects of Multifocal Contact Lens on Ocular Tissue
The purpose of this study is to evaluate the etafilcon - PVP (multi-focal)
- Trial name
- NCT02345720
- Testing
- etafilcon - PVP (multi-focal)
- Where
- United Kingdom
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Volunteers
Influence of Screen Sizes on Responses to Visual Analog Scales of Stress
Visual analog scales (VAS) are one of the most common tools used in questionnaires. VAS are validated for pain and stress for example on a horizontal, non-calibrated line of 100 mm, ranging from very low (0) to very high (100).
- Trial name
- SIVAStress (NCT04040608)
- Testing
- Influence of screen sizes on responses to visual analog scales of stress
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Visual Impairment
The Effect of Somatosensory Cue on Postural Stability in Blinded Persons
Blind Adults that willing to participate in the study will be tested with well-established measuring techniques of Balance control using force plate in the movement and Rehabilitation Laboratory at Ben-Gurion University.
- Trial name
- NCT00650676
- Where
- Israel
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
Urethral Stricture, Male
Laser Visual Internal Urethrotomy With Versus Without Paclitaxel Injection
To evaluate the outcome of visual internal urethrotomy in treating urethral strictures in males with a holmium: yttrium-aluminium garnet (YAG) laser versus when combined with intralesional injection of paclitaxel.
- Trial name
- NCT06123520
- Testing
- Ho-YAG Laser Visual internal urethrotomy, Ho-YAG Laser Visual internal urethrotomy combined with intralesional submucosal injection of Paclitaxel
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Mental Imagery, Dementia of Alzheimer Type
Imagery in Early Stages of Dementia
The purpose of the present study is to investigate the effectiveness of mental imagery (MI) in subjects with early stage of dementia.
- Trial name
- NCT05232526
- Testing
- Mental imagery (MI) and exercise program, Mental Imagery and Exercise program
- Where
- Greece
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- University of West Attica
Behavioral Dynamics, Visual Impairment
Video Screening for Visual Impairment of Infants
An individual senses the world and reflects feedbacks via independent behaviors. Such precise collaboration of the sensory and behavioral systems is fundamental to survival and evolution.
- Trial name
- NCT04237350
- Testing
- Video recording for behaviors
- Where
- China
- Volunteers
- 3,652 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Motor Activity
Evaluation of Motor Learning on a Sequence of Manual Motor Gestures of Increasing Complexity Through the Mental Practise
The main objective of this research is to evaluate and quantify successes and errors, as well as execution time, in a sequence of manual motor gestures of increasing complexity through mental practice training (observation of…
- Trial name
- NCT03769974
- Testing
- Motor imagery, Action observation
- Where
- Spain
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Universidad Autonoma de Madrid
Glaucoma, Visual Field Defect
Visual Field Analysis With Artificial Intelligence
The purpose of this study is to analyze visual field data from healthy participants. This data will be used to develop and optimize a new visual field perimeter test.
- Trial name
- VFAAI (NCT06920290)
- Testing
- Visual Field Perimeter Optimized with Eye Gaze Capture and Artificial Intelligence
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sight Intelligence Engineering Corporation
Balance, Gait
Balance and Gait in Hearing Impaired Children
The investigators balance and balance related problems and exercise programs should be handled multi-dimensionally. In this study, the investigators' aim is to investigate the effect of dual task-oriented education with…
- Trial name
- Balance (NCT05404126)
- Testing
- exercise
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Gaziantep
Amblyopia
Establishing New Treatment Approaches for Amblyopia: Perceptual Learning and Video Games
Amblyopia, a developmental abnormality that impairs spatial vision, is a major cause of vision loss, resulting in reduced visual acuity and reduced sensitivity to contrast.
- Trial name
- NCT05522972
- Testing
- Video Game Vision Training, Perceptual Learning, Occlusion Therapy
- Where
- United States
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Nova Southeastern University
Neuroplasticity
Reaction Time, Cognitive Function and Physical Fitness of Children and Adolescent Soccer Players
Investigation of the effect of an exercise program with visual stimuli on reaction time, cognitive function and physical fitness of children and adolescent soccer players.
- Trial name
- NCT05587907
- Testing
- FitLight Trainer
- Where
- Greece
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Obstetric Labor Complications, Obstetric Trauma
Prelabor Visual Biofeedback by a Self-operated Ultrasound Device
A substantial number of women report fear of childbirth and negative birth experiences. The objective of the study is to assess the efficacy of visual biofeedback before labor using a self-operated home ultrasound for maternal…
- Trial name
- NCT06049784
- Testing
- Visual Biofeedback using self operated home ultrasound device, Visual Biofeedback using ultrasound at hospital
- Where
- Israel
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Rabin Medical Center
Retina--Diseases, Retinal Detachment
Evaluation of Discomfort Associated With Scleral Depression During Retina Examinations
Scleral depression is an important technique used to examine the peripheral retina but often causes patient discomfort. The goal of this study was to compare levels of discomfort during scleral depression with a Schocket scleral…
- Conditions
- Retina--Diseases, Retinal Detachment, Retinal Degeneration
- Trial name
- DEPRESS (NCT04115917)
- Testing
- Schocket scleral depressor, Cotton tipped applicator
- Where
- United States
- Volunteers
- 87 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
Presbyopia
Trial of the PresView Implant for the Improvement of Near Vision in Presbyopic Patients
Study to determine the effectiveness of the PresVIEW Scleral Implant to improve near vision in patients who require reading glasses
- Trial name
- NCT01933750
- Testing
- PresVIEW Device Implantation
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Refocus Ocular Europe, B.V.
Cognitive Change, Processing, Visual Spatial
Effects of a Complex, Partnered Martial Arts-based Intervention on Cognitive Function
The investigators' study is designed to test whether brief exposure to a martial arts-based intervention (a coordinative, partnered training exercise known as "Hubod"), can improve cognitive function to a greater degree than…
- Conditions
- Cognitive Change, Processing, Visual Spatial, Inhibition (Psychology), Working Memory
- Trial name
- HUBOD (NCT04760054)
- Testing
- HUBOD, Active Comparator, Control Condition
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Illinois at Urbana-Champaign
Mental Health Wellness 1, Positive and Negative Affect
Effects of a Relaxation and Guided Imagery Intervention in School Context
Specific aims - To test the effects of a relaxation and guided imagery intervention with socioemotional learning content on a range of socioemotional, physiological, cognitive and academic outcomes of school-aged children…
- Conditions
- Mental Health Wellness 1, Positive and Negative Affect, Social Skills, Happiness
- Trial name
- MR (NCT06101225)
- Testing
- MindRegulation Intervention, Relaxation, Waiting List Control Group
- Where
- Portugal
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Universidade Autónoma de Lisboa
Healthy Volunteers, Muscle Strength
Influence of Motivation and Mental Practice on Lumbo-Pelvic Strength in Healthy Adults
This pilot randomized controlled trial investigated the influence of motivation combined with motor imagery (MI) or action observation (AO) on lumbo-pelvic strength in asymptomatic adults.
- Trial name
- NCT07155655
- Testing
- Motor Imagery (MI), Action Observation (AO), Motor Imagery with Motivation (MIm)
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Mateo Riera Marco
Vision
Eye Movements, Visual Perception and Attention
During visual fixation, small eye movements of which we are usually not aware, prevent the maintenance of a steady direction of gaze.
- Trial name
- NCT03884985
- Testing
- Visual stimulation
- Where
- United States
- Volunteers
- 155 people, healthy volunteers welcome
- Sponsor
- University of Rochester
Visual Acuity
An Investigation of the Impact of Localized Topical Anesthesia of the Ocular Surface on End-of-day Contact Lens Discomfort
This is a controlled, randomized, subject-masked, 3x3 crossover, non-dispensing, contralateral study. Twenty subjects will be recruited based on their scores (with their habitual lenses) from the Contact Lens Dry Eye…
- Trial name
- NCT03733899
- Testing
- Local Anesthesia
- Where
- United Kingdom
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
Diabetic Macular Edema
Mean Visual Acuity Changes Following Five Injections of Aflibercept
Diabetic Macular Edema is a serious ocular consequence of poorly controlled diabetes. Even though significant research has been done to clarify the pathogenesis of DME, a clear causal pathway of the complication is of yet…
- Trial name
- NCT02645266
- Testing
- Aflibercept Injection [Eylea]
- Where
- Canada
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- McMaster University
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