Clinical trials: Retinal Disease, Electroretinogram
Electroretinography
The Electroretinogram in Healthy and Glucose Intolerant Young Men
The purpose is to investigate the electroretinogram (ERG) in young, healthy men in the normoglycaemic and hyperglycaemic state before and after intervention with corticosteroids treatment, high calorie diet and exercise restraint.
- Trial name
- NCT01140932
- Testing
- Prednisolone, Lifestyle change
- Where
- Denmark
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Glostrup University Hospital, Copenhagen
Primary Open Angle Glaucoma
Electroretinogram and Retinal Vascular Changes After Cataract Surgery
To compare electrophysiological and Optical coherence tomography angiography of optic disc and macula changes after uneventful phacoemulsification between normal and cataractus patients with primary open angle glaucoma.
- Trial name
- NCT05871034
- Testing
- phacoemulsification
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sohag University
Parkinson Disease, Healthy Adult Participants
Brain Dopamine Biomarker
This study is being conducted at the Morsani College of Medicine to determine whether signals recorded from the eyes and brain can be used as a noninvasive way to monitor dopamine function.
- Trial name
- B3-4D (NCT07748715)
- Testing
- Levadopa/Carbidopa eyedrops, Levodopa/Carbidopa (Sinemet)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Retinal Diseases
Effect of Levodopa on Human Multifocal Electroretinogram
It is known that dopamine is a functional neuromodulator at several levels of the visual system. Dopamine seems to be involved in the organization of the ganglion cell and the bipolar cell receptive fields and modulation of…
- Trial name
- NCT00812760
- Testing
- levodopa
- Where
- Austria
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Diabetes Mellitus, Type 1, Diabetes Mellitus, Type 2
Retinal Function in Diabetic Patients Without Retinopathy
The primary purpose was to assess, in diabetic patients without diabetic retinopathy and control subjects, color vision, contrast sensitivity, electroretinography, and flicker-induced vasodilatation using the Dynamic Vessel…
- Trial name
- NEURODIAB (NCT00839150)
- Where
- France
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Rheumatoid Arthritis
Cross-over Study to Investigate Retinal Function Following Administration of a Single Dose of AZD9056
The purpose of the study is to determine whether treatment with a single 800mg dose of AZD9056, a medication which has been developed as a possible treatment for Rheumatoid Arthritis, has an effect on the function of the retina
- Trial name
- NCT00700986
- Testing
- AZD9056
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- AstraZeneca
Myopia
Pharmacological and Non-pharmacological Treatment Effects on Children With Different Predicted Myopia Progression Rate
The goal of this clinical trial is to compare pharmacological and non-pharmacological treatment effects on the children with different predicted myopia progression rate measured by modified multifocal electroretinogram.
- Trial name
- NCT06282848
- Testing
- Atropine 0.05%, DIMS lens
- Where
- Hong Kong
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Retinal Disease, Electroretinogram
RETeval All Comers Trial (REACT)
The primary objective of this study is to collect electroretinogram ERG measurements from visually normal and abnormal subjects using the FDA cleared RETeval device (K142567).
- Trial name
- REACT (NCT03065881)
- Testing
- RETeval
- Where
- United States
- Volunteers
- 664 people, healthy volunteers welcome
- Sponsor
- LKC Technologies, Inc.
Healthy, Macular Edema
Fundus Image-guided Focal Electroretinography, Usability Study
The purpose of this study is to investigate the usability of fundus image-guided focal electroretinography device with healthy subjects and with macular edema and macular degeneration patients.
- Conditions
- Healthy, Macular Edema, Macular Degeneration
- Trial name
- NCT05100511
- Testing
- ERG electrode tests for fundus image-guided focal ERG, Fundus image-guided focal ERG
- Where
- Finland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Maculaser Oy
Fasting, Intermittent, Fasting Hypoglycemia
Electrophysiological Changes With Diet.
Dietary habits may affect our body by certain mechanisms, visual sense is one of the most vital human senses that needs special attention in our daily habits.
- Conditions
- Fasting, Intermittent, Fasting Hypoglycemia, Fasting, Obesity
- Trial name
- NCT05658991
- Testing
- Retinal electrophysiology
- Where
- Egypt
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Benha University
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
Diabetic Retinopathy
Levodopa for Diabetic Retinopathy
The purpose of this study is to determine optimum dosing strategies of levodopa and determine the physiologic mechanisms that provide the therapeutic response to restore abnormalities in the electrical conductivity of the retina…
- Trial name
- NCT07444892
- Testing
- Levodopa
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- Emory University
Bipolar Disorder
Study of Bipolar Disorders and Retinal Electrophysiological Markers
The BIMAR study aims to compare electrophysiological data measured with electroretinogram (ERG) and electroencephalogram (EEG) between a group of euthymic patients with bipolar disorder (BD) and a group of healthy controls…
- Trial name
- BIMAR (NCT05161546)
- Testing
- EEG and ERG measurements (Retinaute®, BioSerenity), Actigraphy (Motion Watch 8®, CamNtech), Neuropsychological assessments
- Where
- France
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Centre Psychothérapique de Nancy
Retinopathy
Study of Stimulus Parameters in Flicker Electroretinogram (ERG)
The electroretinogram (ERG) is a diagnostic test that measures the electrical activity generated by cells in the retina in response to a light stimulus. Typically, an ERG is recorded with white flash when the pupil is dilated.
- Trial name
- NCT02466607
- Testing
- RETeval color flicker ERG, RETeval dilated versus un-dilated flicker ERG, pupil dilation
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- LKC Technologies, Inc.
Uveitis, Iritis
Retinal OCT and (mfERG) Related to Age, Sex, and the Use of Anti-inflammatory Medications
Retinal optical coherence tomography (OCT) is an established technology which enables a detailed cross-sectional visualization of the retinal micro-anatomy, and an objective measurement of its thickness in-vivo.
- Conditions
- Uveitis, Iritis, Iridocyclitis, Anterior Uveitis
- Trial name
- NCT00476593
- Testing
- Diclofenac, Dexamethasone
- Where
- 2 sites in Norway
- Volunteers
- 218 people, healthy volunteers welcome
- Sponsor
- Norwegian University of Science and Technology
Retinitis Pigmentosa
Retinal Imaging in Patients With Inherited Retinal Degenerations
The purpose of this study is to determine whether the structure and function of the human retina can be studied with high resolution in patients with inherited retinal degenerations using the Adaptive Optics Scanning Laser…
- Trial name
- NCT00254605
- Where
- United States
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Alcohol Use Disorder
Study of Retinal Function Using Electroretinogram in Regular Alcohol Users
Alcohol is a major public health problem and its neurotoxic effects are, among other things, responsible for altering the functioning of cerebral neurotransmission pathways.
- Trial name
- ERICA (NCT03818971)
- Testing
- electroretinogram (flash, pattern and multifocal)
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Centre Psychothérapique de Nancy
Retinal Disease, Healthy Population
Multifocal Electroretinogram in Normal Egyptian Population
Studying normal subjects to create unique normal database for multifocal electroretinogram (mf-ERG) in specific population.
- Trial name
- NCT05323032
- Testing
- Multifocal electroretinogram (mf-ERG) by electroretinogram device
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Benha 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
Myopia
Topical Application of Low-concentration (0.01%) Atropine on the Human Eye With Fast and Slow Myopia Progression Rate
Our project is a 24-month longitudinal randomized controlled trial that aims to investigate the myopia development after topical application of 0.01% atropine in children with either fast or slow myopia progression classified…
- Trial name
- NCT03374306
- Testing
- Atropine (0.01%), Artificial tear
- Where
- Hong Kong
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University