Clinical trials: Evoked Potentials, Visual
Ischemic Optic Neuropathy, Optic Neuritis
Diffusion Weighted Magnetic Resonance Imaging and the Optic Nerve Neuropathy.
The aim of the project is to create a new, non-invasive and safe protocol for the early diagnosis of various types of optic neuropathies with the use of diffusion magnetic resonance imaging
- Conditions
- Ischemic Optic Neuropathy, Optic Neuritis, Compressive Optic Neuropathy, Traumatic Optic Neuropathy
- Trial name
- NCT05353413
- Testing
- Neuroimaging, VEP - visual evoked potential, Ophthalmology examination.
- Where
- Poland
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy
Healthy Little Eyes
The purpose of this research study is to gather more information on how eye injury is related to a baby's future development and see if eye function and brain test results can be used, along with current measures, to better…
- Conditions
- Hypoxic-Ischemic Encephalopathy, Neonatal Encephalopathy, Encephalopathy
- Trial name
- NCT05971446
- Testing
- Visual Evoked Potential (VEP), Electroretinogram (ERG)
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Visual Fatigue
Visual Discomfort and Reading
Reading can be an uncomfortable and difficult task for some people. Symptoms include unpleasant somatic and perceptual effects, such as eye-strain, headache, and blurred text, despite normal visual acuity.
- Trial name
- NCT00402155
- Testing
- Stress on visual discomfort
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Southern California College of Optometry at Marshall B. Ketchum University
Visual Neurosciences
Evaluation of Visual Parameters by Visual Evoked Potentials Captured by EEG
This project will be based on an approach that has already proven itself in the field of the development of low-level visual functions such as visual acuity, vernier acuity and contrast sensitivity (Norcia \& Tyler, 1985)…
- Trial name
- NCT05675852
- Testing
- 68-electrode electroencephalography with steady state visual evoked potentials
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Université Catholique de Louvain
Age Related Macular Degeneration, Retinitis Pigmentosa
Visual Activity Evoked by Infrared in Humans After Dark Adaptation
This pilot study will evaluate the visual response to infrared (IR) in humans after dark adaptation. The investigators plan to determine which wavelength and intensity the human eye is most sensitive to in healthy and color-blind…
- Conditions
- Age Related Macular Degeneration, Retinitis Pigmentosa, Congenital Stationary Night Blindness, Colorblindness
- Trial name
- NCT02909985
- Testing
- Tungsten halogen light with narrow bandpass filters
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of New Mexico
Glaucoma Diagnosis
How Accurately Does the Diopsys Visual Evoked Potential (VEP) Vision Testing System Detect Glaucoma?
Evaluate sensitivity and specificity of NOVA-DN visually evoked potentials (VEP) protocol and new software method (Corda) for glaucoma detection using optical coherence tomography (OCT) images to differentiate between normal…
- Trial name
- NCT02622178
- Testing
- Optical Coherence Tomography, Visual evoked potential
- Where
- United States
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Amblyopia, Amblyopia, Anisometropic
Stochastic Resonance Applied to Amblyopia Training and the Plasticity of Brain
The prevalence of Taiwan's population with amblyopia is 2-5%. Amblyopia affects the daily life and learning ability. The human visual system can be developed normally with exposure of clear images on the retina, which often drive…
- Trial name
- NCT04213066
- Testing
- Portable tablet
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- National Cheng-Kung University Hospital
Visual Cortical Plasticity, Repetitive Transcranial Magnetic Stimulation
Measuring rTMS-induced Neuroplasticity With EEG Steady-state Visual-evoked Potentials
The goals of this study are to 1) use EEG steady-state visual evoked potentials as a noninvasive measure of the neuroplasticity induced by repetitive transcranial magnetic stimulation (rTMS), 2) use visual contrast detection…
- Conditions
- Visual Cortical Plasticity, Repetitive Transcranial Magnetic Stimulation, Visual Attention
- Trial name
- NCT05853939
- Testing
- repetitive transcranial magnetic stimulation
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Bodily Self-Consciousness, Interoception
Hyperventilation Effects on Bodily Self-Consciousness
This study examines how voluntary fast, deep breathing (hyperventilation) affects the way healthy adults perceive their own body.
- Conditions
- Bodily Self-Consciousness, Interoception, Healthy Volunteers
- Trial name
- HYPERSELF (NCT07769710)
- Testing
- Voluntary hyperventilation (guided paced breathing), Normal spontaneous breathing (within-subject control), Synchronous respiratory-visual VR feedback
- Where
- Switzerland
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- University of Fribourg
Retinal Disease, Visual Impairment
Repeatability of Electroretinogram and Visual Evoked Potential
To assess repeatability of electroretinogram and visual evoked potential in clinical practice
- Conditions
- Retinal Disease, Visual Impairment, Vision Disorders
- Trial name
- NCT05334875
- Testing
- Electroretinogram (ERG), Visual evoked potential (VEP)
- Where
- Egypt
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Benha University
Amblyopia
Noninvasive Brain Stimulation in Adult Amblyopia
The goal of this randomized controlled trial is to investigate the effectiveness of non-invasive brain stimulation in treating adults with amblyopia. The main questions it aims to answer are: 1.
- Trial name
- NIBSAAM (NCT06712849)
- Testing
- High Frequency Transcranial Random Noise Stimulation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Midwestern University
Mild Traumatic Brain Injury
SSVEP Evaluation of Brain Function
The investigational device used in this clinical investigation, the Nurochek Headset, is a portable electroencephalogram (EEG) headset which delivers a visual stimulus and measures a VEP.
- Trial name
- NCT05614570
- Testing
- SSVEP Device, SCAT5
- Where
- Australia
- Volunteers
- 1,300 people, healthy volunteers welcome
- Sponsor
- Headsafe MFG
Glaucoma
Does Lowering Eye Pressure Affect the Results Obtained From Objective Visual Field Testing?
A study to determine whether a patient's range of vision test results improve after their eye pressure is lowered by 30% or more by testing on a new machine called the Accumap and how to learn how much the Accumap's results…
- Trial name
- NCT00799994
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Bipolar Depression
Neural and Visual Responses to Light in Bipolar Disorder: A Novel Putative Biomarker
Objective. Bipolar Disorders (BD) are a major public health problem. The investigators still lack knowledge of the mechanisms which contribute to BD.
- Trial name
- LightEyeBD (NCT02048995)
- Where
- United States
- Volunteers
- 91 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Idiopathic Scoliosis, Vestibular Abnormality
Function of Inner Ear Such as Balance and Perception of Verticality in Children With Idiopathic Scoliosis
The purpose of this study was to evaluate vestibular function in children with idiopathic scoliosis as a possible cause of etiopathogenesis of its diagnose.
- Trial name
- NCT04714632
- Where
- Czechia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Charles University, Czech Republic
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
Multiple Sclerosis
Evaluation of the Relationship Between Optic Nerve Diameter and Optic Nerve Sheath Diameter Measured by Transorbital Sonography With Clinical, Radiological, and Electrophysiological Parameters in Multiple Sclerosis Patients
The primary aim of this study is to evaluate the reliability of optic nerve diameter (OND) and optic nerve sheath diameter (ONSD) measurements made with transorbital sonography (TOS) and magnetic resonance imaging (MRI) in…
- Trial name
- NCT06533930
- Testing
- Transorbital Sonography, Orbita Magnetic Resonance Imaging, Visual Evoked Potentials
- Where
- Turkey (Türkiye)
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- Kutahya Health Sciences University
Healthy Adult, Diabetic Retinopathy, DR
The Effect of Different Auditory Types on Visual Evoked Potentials (VEP)
To investigate the effect of different sound types on pattern visual evoked potential (VEP) responses among healthy adults
- Trial name
- NCT07850245
- Where
- Saudi Arabia
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- King Saud University
Parkinson Disease
Retinal Biomarkers in Parkinson´s Disease
The goal of this observational study is to determine whether oxygen content of the retinal vessels of the eye may serve as a biomarker in Parkinson´s disease. The main questions it aims to answer are: 1.
- Trial name
- NCT06929026
- Where
- Iceland
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Landspitali University Hospital
Mild Traumatic Brain Injury
SSVEP Evaluation of Brain Function (PRO)
The investigational device used in this clinical investigation, the Nurochek PRO System (NCPRO), is a portable electroencephalogram (EEG) headset which delivers a visual stimulus and measures a VEP.
- Trial name
- NCT06013566
- Testing
- SSVEP
- Where
- Australia
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Headsafe MFG