Clinical trials: Ophthalmic Imaging
Myopia, Maculopathy
Optical Coherence Tomography Imaging of the Posterior Segment in High Myopia.
The prevalence of myopia in East Asia and Singapore in particular is amongst the highest in the world, with estimates ranging from 30-70% of the general population. Up to 30% of these are high myopes.
- Conditions
- Myopia, Maculopathy, Glaucoma
- Trial name
- NCT00347451
- Where
- Singapore
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Singapore National Eye Centre
Retinal Dystrophies, Geographic Atrophy
Real-time Acoustic Biofeedback for Enhancing Fixation Stability: A Proof-of-concept Study to Improve Ophthalmic Imaging Diagnostic Quality
The goal of this Proof of Concept Feasibility Study is to improve the fixation stability in patients with fixation loss due to blindness or central vision loss using a patented acoustic real-time feedback device.
- Conditions
- Retinal Dystrophies, Geographic Atrophy, Blindness
- Trial name
- NCT07529041
- Testing
- A device providing acoustic real-time biofeedback
- Where
- Germany
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University Medical Center Goettingen
Retinal Hemorrhage, Bilateral, Retinal Hemorrhage, Left Eye
Retinal Imaging Study of Children That Might be at Risk of Having Retinal Hemorrhages
This is a clinical trial in which we will learn about the retinal findings in three clinical groups of children, who might be at risk of having retinal hemorrhages (RH).
- Conditions
- Retinal Hemorrhage, Bilateral, Retinal Hemorrhage, Left Eye, Retinal Hemorrhage, Right Eye
- Trial name
- RISC (NCT05576285)
- Testing
- ophthalmoscopy and fundus photography through dilated pupills
- Where
- Sweden
- Volunteers
- 1,500 people, healthy volunteers welcome
- Sponsor
- Region Stockholm
Age - Related Macular Degeneration (AMD)
Enhanced Vision and Imaging Tests for Enabling Treatment Trials in Early and Intermediate AMD
This monocentric prospective longitudinal observational study will validate fundus-tracked dark adaptometry as an endpoint for future treatment trials in early and intermediate age-related macular degeneration (AMD).
- Trial name
- EVITE-AMD (NCT07515521)
- Where
- Germany
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Maximilian Pfau
Diabetic Retinopathy, Age-Related Macular Degeneration
Function and Structure Imaging in Different Retinal Diseases: Retinal Leakage Analyzer Versus Optical Coherence Tomography
The main objective of this observational study is to characterize and correlate functional and structural changes at the retinal level using the Retinal Leakage Analyzer (RLA) and the Optical Coherence Tomograph (OCT).
- Conditions
- Diabetic Retinopathy, Age-Related Macular Degeneration, Macular Edema
- Trial name
- NCT00797524
- Where
- Portugal
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Association for Innovation and Biomedical Research on Light and Image
Diabetes, Retinal Disorders
Rapid, Non-invasive, Regional Functional Imaging of the Retina. (Diabetic Retinopathy Diagnosis Device)
The basic objective of this project is to test a modification of existing technology for monitoring the responses of the pupil to light as a method for detecting regional losses of function of the retina.
- Trial name
- NCT01546766
- Testing
- Pupillometry testing.
- Where
- 2 sites in United States
- Volunteers
- 315 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Posterior Vitreous Detachment, Diabetic Retinopathy
Annular Array Ultrasound in Ophthalmology
The objective of this research is to improve the care of ocular disease and disorders, in particular the changes in the eye associated with diabetes, by providing clinicians with dramatically improved ultrasonic images of the…
- Trial name
- NCT01415037
- Testing
- annular array ultrasound exam
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Columbia University
Parkinson Disease, REM Sleep Behavior Disorder
Prospective Neuroimaging Investigation of Idiopathic REM Sleep Behavior Disorder
This is a prospective cohort study to evaluate degenerative changes in the brain by performing functional imaging analysis in patients with RBD and its correlations with clinical symptoms and dopaminergic degeneration.
- Trial name
- NCT02984137
- Testing
- testing, evaluation, sampling
- Where
- South Korea
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Seoul National University Hospital
Corticobasal Degeneration (CBD), Corticobasal Syndrome (CBS)
4-Repeat Tauopathy Neuroimaging Initiative - Cycle 2
The goal of this study is to identify the most reliable methods of analysis for tracking CBD, PSP, and o/vPSP over time. The results from this study may be used in the future to calculate statistical power for clinical drug…
- Conditions
- Corticobasal Degeneration (CBD), Corticobasal Syndrome (CBS), Cortical-basal Ganglionic Degeneration (CBGD), Progressive Supranuclear Palsy (PSP)
- Trial name
- 4RTNI-2 (NCT02966145)
- Testing
- Observational Study
- Where
- 8 sites in United States, Canada
- Volunteers
- 293 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Stroke, Control Condition
Vision and Proprioception Evaluation With Robotics After Stroke
Stroke is highly prevalent in Canada and can lead to profound upper limb impairments in motor and sensory function, as well and vision.
- Trial name
- VIPERS (NCT07254949)
- Where
- 2 sites in Canada
- Volunteers
- 425 people, healthy volunteers welcome
- Sponsor
- Dr. Sean Dukelow
Sjogren Syndrome, Malignant Tumors
The Feasibility of Multispectral Optoacoustic Tomography in Different Diseases
Optoacoustic imaging is a new and innovative imaging technique that combines the high contrast of optical imaging with the penetration depth and high spatial resolution of ultrasonography using the optoacoustic effect.
- Conditions
- Sjogren Syndrome, Malignant Tumors, Arterial Disease
- Trial name
- FOMO (NCT06740175)
- Testing
- Multispectral optoacoustic tomography
- Where
- Netherlands
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Glaucoma, Primary Open Angle
Adaptive Optics Retinal Imaging
The objective of the study is to collect and assess adaptive optics (AO) retinal images from human subjects in support of projects to demonstrate, advance, and enhance clinical use of AO technology.
- Trial name
- NCT05370287
- Testing
- oxygen inhalation, Adaptive optics imaging
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Food and Drug Administration (FDA)
Dry Eye
Evaluation of Dry Eye by Tear Film Imager in a Low Humidity Environmental Exposure Chamber (TFI-LH16)
The study consists of 3 study visits to the clinic over at least 9 days. Visit 1 - the medical screening visit: subjects will undergo informed consent and will be tested for signs and symptoms of Dry Eye Syndrome (DES) including…
- Trial name
- TFI-LH16 (NCT03061578)
- Testing
- Tear Film Imager, Low Humidity Environmental Exposure Chamber (LH-EEC)
- Where
- Canada
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Adom Advanced Optical Technologies Ltd.
Parkinson Disease, Movement Disorders
Multimodal Image Technologies Investigate the Role and Mechanism of Probiotics in Improving RBD with Parkinson's Disease
Rapid eye movement sleep behavior disorder (RBD) is important non-movement feature, and also the important risk factor of Parkinson's disease (PD).
- Conditions
- Parkinson Disease, Movement Disorders, Rapid Eye Movement Sleep Behavior Disorder, Gut Microbiomes
- Trial name
- NCT06710574
- Testing
- PD-RBD, iRBD
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Eye Diseases
Pix2pix Networks for Scheimpflug Corneal Tomography Image Generation
Computer-aided medical image analysis has advantages, but requires large amounts of training data, which are scarce and costly to obtain, are subject to privacy concerns, and are often highly imbalanced, with over-representation…
- Trial name
- NCT04582253
- Testing
- Scheimpflug Camera Corneal Tomography
- Where
- Egypt
- Volunteers
- 923 people, healthy volunteers welcome
- Sponsor
- Assiut University
Blindness
Determine the Effect of Intraocular Pressure (IOP), Optic Nerve Imaging, Venous Congestion in Volunteers Prone Position 5 Hours
The purpose of this study is to provide data that would give the investigators a better understanding of the physiologic changes that occur and may contribute to post operative blindness.
- Trial name
- NCT00875043
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Rutgers, The State University of New Jersey
Vision Disorders
Pilot Clinical Evaluation of Approved Contact Lenses
This is a pilot evaluation to assess the feasibility of using novel imaging process to characterize lens edge and limbal epithelial thickness profile; lens movement with gaze and blink; and conjunctival microvasculature including…
- Trial name
- NCT02540122
- Testing
- Marketed Contact Lens 1, Marketed Contact Lens 2, Marketed Contact Lens 3
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Vision Care, Inc.
MGD-Meibomian Gland Dysfunction, Positron-Emission Tomography
PET-CT Imaging Features of Meibomian Glands
Analysis the results of Dry eye analysis results and PET-CT imaging comprehensively
- Conditions
- MGD-Meibomian Gland Dysfunction, Positron-Emission Tomography, Dry Eye
- Trial name
- NCT06324890
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Zhongnan Hospital
Progressive Supranuclear Palsy
A Molecular Anatomic Imaging Analysis of Tau in Progressive Supranuclear Palsy
This study is designed to learn more about overall tau burden in the brain of patients with Progressive Supranuclear Palsy (PSP).
- Trial name
- NCT02605785
- Testing
- F-18 AV 1451
- Where
- United States
- Volunteers
- 332 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Willing and Able Subjects for Ocular Imaging
Non-Invasive Imaging of the Human Eye
Evaluate the clinical information obtained from the use of the machines.
- Trial name
- NCT02432898
- Testing
- 3D OCT-1, 3D OCT-2000, DRI OCT-1
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.