Clinical trials: Visual Performance, open to volunteers
Retinitis Pigmentosa (RP), Rod Cone Dystrophy
Brain Stimulation Effects on Orientation and Mobility Skills in Adults With Vision Impairment
This pilot clinical trial evaluates whether non-invasive brain stimulation improves the orientation and mobility (O\&M) skills of individuals with constricted visual fields in both eyes. The study is composed of three visits.
- Conditions
- Retinitis Pigmentosa (RP), Rod Cone Dystrophy, Visually Impaired Persons, Peripheral Visual Field Defect of Both Eyes
- Trial name
- NCT07341763
- Testing
- Active hf-tRNS.
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of Waterloo
Stroke
Mirror Therapy Rehabilitation of the Upper Limb After Stroke (NEURO-MIROIR 2)
Hemiparesis is a common motor disorder after a stroke. The majority of patients do not recover functional use of their paretic upper limb.
- Trial name
- NEUROMIROIR2 (NCT04119544)
- Testing
- Conventional rehabilitation, Intensive Visual Simulation
- Where
- 5 sites in France
- Volunteers
- 66 people
- Sponsor
- Clinique Les Trois Soleils
Retinitis Pigmentosa (RP), Usher Syndrome
Observational Study to Investigate the Short-term Effects of Transcorneal Electrical Stimulation on Visual Performance
Retinitis pigmentosa and similar degenerative diseases of the retina lead to progressive loss of vision. TES therapy with the CE-marked OkuStim® System is a treatment approved in the EU for slowing the progression of the disease.
- Conditions
- Retinitis Pigmentosa (RP), Usher Syndrome, Cone Rod Dystrophy
- Trial name
- TES-STEP (NCT07548944)
- Testing
- Transcorneal Electrical Stimulation using the OkuStim System
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Okuvision GmbH
Myopia, Dry Eye Disease (DED)
Study of Eye Fatigue From Digital Screens and Its Impact on Visual Performance in People With Normal Vision and Myopia, With and Without Dry Eye Symptoms and Signs
The goal of this observational study is to investigate the effects of eye fatigue induced by screen task on dry eye disease (DED) signs and symptoms, visual performance, and visual behavior in young adults with and without DED…
- Trial name
- RReye (NCT07844408)
- Testing
- Eye Exams, Ocular Biometry and Aberrometry, Wearing a Smartwatch
- Where
- France
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Essilor International
Computer Vision Syndrome
Comparative Effects of Exercises on Pain, Cervical Proprioception, Neck Disability and Visual Performance in Patients With Computer Vision Syndrome.
This study aims to compare the effectiveness of cervical sensorimotor training and oculomotor training in patients with Computer Vision Syndrome (CVS).
- Trial name
- NCT07892040
- Testing
- Cervical Sensorimotor Training, Occulomotor Training
- Where
- Pakistan
- Volunteers
- 46 people
- Sponsor
- University of Management and Technology Lahore
Visual Outcome
The Purpose of This Clinical Study is to Evaluate Optimized Maximum Plus for Maximum Visual Acuity (MPMVA) Refractive Technique and Its Effect on Visual Performance.
This is a prospective, multicenter, parallel groups, non-interventional, examiner masked, comparative clinical study. Patients that participated in previous Hoya studies, and patients previous implanted with Hoya non-toric…
- Trial name
- NCT07595432
- Testing
- Non-Interventional Study
- Where
- Philippines
- Volunteers
- 140 people
- Sponsor
- Hoya Surgical Optics, Inc.
Cataract
Visual Performance of Clareon Vivity and PureSee IOL
This is study to determine the visual performance of patients with age-related cataracts implanted in both eyes with either of two extended depth of focus intraocular lenses, the Clareon Vivity (Alcon Healthcare) or the PureSee…
- Trial name
- PURVI2 (NCT07165197)
- Testing
- Phacoemulsification with implantation of an extended depth of focus intraocular lens
- Where
- Spain
- Volunteers
- 80 people
- Sponsor
- OMIQ Research
Imagery (Psychotherapy), Postural Control
The Effect of Motor Image Training on Balance Performance in Geriatric Individuals
The goal of this study [type of study: clinical trial] is to was planned to investigate the effect of motor imagery training given to geriatric individuals with action observation on their balance performance and to compare these…
- Conditions
- Imagery (Psychotherapy), Postural Control, Postural Balance, Virtual Reality Therapy
- Trial name
- NCT06056180
- Testing
- Balance Training, Motor İmagery Training, Action Observation Training
- Where
- Turkey (Türkiye)
- Volunteers
- 46 people
- Sponsor
- Muğla Sıtkı Koçman University
Sports Physical Therapy, Stroboscopic Visual Training
The Effects of Visual Input on Cognitive Function, Physical Performance, and Postural Stability in Adolescent Male Basketball Players
The aim of this study is to investigate the effects of exercises performed with stroboscopic glasses-recently gaining popularity in sports-on cognitive function, physical performance, and postural stability, which are among the…
- Conditions
- Sports Physical Therapy, Stroboscopic Visual Training, Cognitive Function, Physical Performance
- Trial name
- NCT07168681
- Testing
- Control group
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Wrestling
The Impact of Meaningful vs. Neutral Symbol Visualization on Sport-Related Performance
The study will provide preliminary information for sport psychology and performance research by examining the relationship among symbolic meaning, physiological response, psychological response, and performance-related measures.
- Trial name
- WRE (NCT07843394)
- Testing
- Meaningful Symbol Visualization, Neutral Symbol Visualization
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Tyson Perez, DC, PhD
High Fidelity Simulation Training, Randomized Controlled Trials
Effect of Visual Deprivation of the Team Leader on Team Performance During Simulated Medical Emergencies
This multicenter randomized controlled study aims to evaluate the impact of temporary visual deprivation of the medical team leader on non-technical skills and team performance during high-fidelity simulated medical emergencies.
- Conditions
- High Fidelity Simulation Training, Randomized Controlled Trials, Education, Medical, Continuing, Education, Medical
- Trial name
- LEAD ME (NCT07427641)
- Testing
- Visual deprivation
- Where
- France
- Volunteers
- 54 people, healthy volunteers welcome
- Sponsor
- Rennes University Hospital
Cataract, Aphakia - Lens Capsule Present
Visual Adaptation and Quality of Life After Different IOL Implantation Strategies
This longitudinal observational study aims to evaluate long-term visual adaptation trajectories, optical quality, and patient-reported outcomes in age-related cataract patients following bilateral implantation of multifocal or…
- Trial name
- MMAQ-IOL (NCT07740590)
- Testing
- Bilateral Bifocal IOL Implantation, Bifocal and EDOF IOL Mix-and-Match Implantation, Bifocal and Monofocal IOL Mix-and-Match Implantation
- Where
- China
- Volunteers
- 264 people
- Sponsor
- Sichuan Academy of Medical Sciences
Parkinson Disease, Breathing Exercises
Effect of Visual Feedback From the SpiroGym Mobile Application
The previous pilot study showed that two weeks of intensive expiratory muscle strength training (EMST) with SpiroGym was sufficient to significantly improve voluntary peak cough flow (PCF).
- Conditions
- Parkinson Disease, Breathing Exercises, Telemedicine
- Trial name
- EXPARK (NCT06942533)
- Testing
- EMST with SpiroGym app, EMST without SpiroGym app
- Where
- 2 sites in Czechia
- Volunteers
- 30 people
- Sponsor
- General University Hospital, Prague
Age Related Cataracts
Visual Performance of Clareon PanOptix vs. a Comparable Multifocal Intraocular Lens
This is a two-part, multi-center, investigator-initiated clinical study comparing visual outcomes and patient satisfaction in subjects receiving bilateral implantation of either the Clareon PanOptix intraocular lens (IOL) or a…
- Trial name
- NCT07006428
- Testing
- Clareon PanOptix or PanOptix Toric IOLs, Comparable multifocal IOL
- Where
- 3 sites in United States
- Volunteers
- 290 people
- Sponsor
- Argus Research Center, Inc.
Dysphotopsia, Posterior Capsule Opacification
Clinical Evaluation of Low Contrast Visual Performance and Low Light Phenomena in Patients With Various Intraocular Lens Implants
The goal of this clinical investigation is to evaluate visual acuity and contrast sensitivity in low lighting conditions using several different testing devices, and measure nighttime side effects of intraocular lens (IOL)…
- Conditions
- Dysphotopsia, Posterior Capsule Opacification, Visual Acuity, Visual Function
- Trial name
- NCT07213167
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Dr. Daniel H. Chang, MD
Intellectual Disability
Evaluation of the Effect of Digital-based Games on the Visual and Cognitive Performance of Young Children With Intellectual Disabilities
This randomized controlled trial aims to evaluate the effect of digital intelligence games on visual and cognitive performance in young individuals with intellectual disabilities.
- Trial name
- NCT07476092
- Testing
- MentalUP Digital Intelligence Game
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Koç University
Visual Acuity
Evaluation of a Digital Visual Acuity Device vs. Standard Visual Acuity Measurements
The purpose of this research is to validate and determine the accuracy of the experimental device when measuring visual acuity versus our standard visual acuity measurements and to gather voice recordings of letters to help build…
- Trial name
- NCT06431295
- Testing
- FaceScan
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Stroke, Visual Impairment
Effectiveness of AV-stimulation in Immersive VR to Improve Visual Perception and Driving Performance
The goal of this clinical trial is to evaluate the effectiveness of an immersive virtual-reality (IVR) based stimulation program, in improving visual perception for people who have lost their driver's license due to perceptual or…
- Conditions
- Stroke, Visual Impairment, Low Vision, Virtual Reality
- Trial name
- Re:DriVR (NCT05703360)
- Testing
- Audiovisual Stimulation
- Where
- 2 sites in Canada
- Volunteers
- 30 people
- Sponsor
- University Health Network, Toronto