Clinical trials: Retina
Age-Related Macular Degeneration
Age-Related Macular Degeneration Benchmark Imaging Dataset (ABID)
1000 participants from up to 25 international locations who are at least 50 years old with either healthy eyes or a diagnosis of Age-Related Macular Degeneration (AMD) will be consented to provide images of their eyes for a new…
- Trial name
- NCT06924021
- Testing
- Retinal Imaging
- Where
- 15 sites in United States, Argentina and 5 more
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Epiretinal Membrane, Macular Holes
Comparative Study of Sharkskin Versus Grieshaber Forceps During ILM Peeling
The purpose of this study is to compare the performance and anatomic outcomes of the Sharkskin internal limiting membrane (ILM) forceps and the Grieshaber ILM forceps in macular surgery.
- Trial name
- NCT04459949
- Testing
- Sharkskin, Grieshaber
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Retinal Hemorrhage, Macular Degeneration
Subretinal Lucentis for Hemorrhagic Age-related Macular Degeneration (AMD)
Visual outcomes of the eye with large subretinal hemorrhages (bleeding under the retina) due to Age-Related Macular Degeneration (AMD) are poor.
- Trial name
- NCT00538538
- Testing
- vitrectomy with subretinal lucentis
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Corewell Health East
Myopia, Myopia; Refractive Error
Peripheral Relative Refractive Power of Orthokeratology Lenses
Orthokeratology (OK) has been demonstrated to be an effective intervention for slowing axial elongation in children with myopia.
- Trial name
- NCT07294404
- Testing
- orthokeratology
- Where
- China
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Long Covid19, Post COVID-19 Condition
All Eyes on PCS - Analysis of the Retinal Microvasculature in Patients With Post-COVID-19 Syndrome
The goal of this observational, prospective study is to in depth analyze the retinal microvasculature in patients with Post-COVID-19 Syndrome (PCS).
- Conditions
- Long Covid19, Post COVID-19 Condition, Endothelial Dysfunction
- Trial name
- NCT05635552
- Testing
- Dynamic retinal vessel analysis (DVA), Optical coherence tomography (OCT), Biochemistry and immune phenotyping
- Where
- Germany
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Technical University of Munich
Glaucoma, Myopia
Corrected Measurement of the Retinal Nerve Fiber Layer Thickness by Optic Disc Configuration With the Cirrus HD OCT
Because the measurement of the retinal nerve fiber layer thickness is very sensitive to the position of measurement, it may be incorrect in patients with the tilted disc.
- Trial name
- NCT00741130
- Where
- South Korea
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Healthy Subjects, Anemia
Non-invasive Measurement of Hemoglobin in Retinal Arteries
The purpose of this study is to test a new non-invasive tool to measure hemoglobin in retinal arteries.
- Trial name
- NCT01025011
- Testing
- Fundus photography, cubital blood draw
- Where
- Switzerland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Triemli Hospital
Migraine
Retinal Nerve Fiber Layer Thickness Changes in Migraine: A Meta-Analysis of Case-control Studies
Optical coherence tomography (OCT) is a non-invasive retinal imaging technology that can provide high-resolution cross-sectional images of the peripapillary retinal nerve fiber layer (RNFL) and measure its thickness.
- Trial name
- NCT02196532
- Testing
- Device: Optical coherence tomography
- Where
- China
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Yifan Feng
Alzheimer Disease, Alzheimer Dementia
Multimodal Ocular Imaging in Neurodegeneration
Alzheimer's disease (AD) and frontotemporal dementia (FTD) are two of the most common types of age-related neurodegenerative disorders.
- Conditions
- Alzheimer Disease, Alzheimer Dementia, Frontotemporal Dementia
- Trial name
- NCT03699644
- Testing
- Spectral-Domain Optical Coherence Tomography (SD-OCT), Magnetic Resonance Imaging (MRI), Positron Emission Tomography (PET)
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Michigan
Electrode Site Reaction
Evaluating a New Sensor That Measures the Health of the Retina in Normally-sighted Subjects
The primary purpose of this study is to evaluate the ability of a new contact lens electrode to record a measurable electroretinogram (ERG). ERG sensors in various forms have been in common clinical use for more than 50 years.
- Trial name
- NCT05509608
- Testing
- RM Electrode, ERG Jet Electrode
- Where
- 2 sites in United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- RetMap, Inc
Graves' Ophthalmopathy
Retinal Oxygen Saturation in Patients With Graves' Ophthalmopathy and in Normal People
Find if the retinal function is affected in both the nonsevere and the severe stage of Graves' ophthalmopathy (GO) by comparing the retinal oxygen saturation of GO patients with that of normal people.
- Trial name
- NCT02290704
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Myopia, Refractive Errors
Effect of Repeated Low-Level Red-Light Therapy on Retinal Function and Structure
The purpose of this clinical trial is to evaluate the effect of repeated low-level red-light (RLRL) therapy on the retinal function and structure among myopic teenagers.
- Conditions
- Myopia, Refractive Errors, Eye Diseases, Retina; Change
- Trial name
- NCT05597397
- Testing
- RLRL
- Where
- China
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Mild Cognitive Impairment, Mild to Moderate Cognitive Impairment
Novel Retinal Imaging Biomarkers in Early Alzheimer's Disease
The goal of this study is to create new retinal imaging processing software useful for the development of novel retinal biomarkers of cognitive impairment associated with Alzheimer's disease (AD).
- Trial name
- NCT01937221
- Testing
- spectral-domain optical coherence tomography (SD-OCT)
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Duke University
Embryonic Development, Retinal Anomalies
Mapping of the Developmental Atlas of the Visual System and Research on Embryonic Neurogenesis Phenomena
This research studies how nerve cells in the human embryonic retina, visual brain regions, and brain areas responsible for higher cognitive functions grow, develop, and form interconnected functional networks.
- Conditions
- Embryonic Development, Retinal Anomalies, Neural Development
- Trial name
- NCT07688538
- Testing
- Tissue collection and multi-omics sequencing analysis
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Sheng Liu
Healthy Volunteers
Intraoperative Optical Coherence Tomography - Normals
Optical Coherence Tomography (OCT) image data will be evaluated for image quality and used to test post-processing algorithms to improve detection sensitivity for ophthalmic diseases.
- Trial name
- iOCT-Normals (NCT04790890)
- Testing
- Optical coherence tomography (OCT)
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Macular Edema, Epiretinal Membrane
Intravitreal Dexamethasone Implant for Persistent Macular Thickening and Edema After Vitrectomy for Epiretinal Membrane
This study seeks to evaluate the effect of the intravitreal 0.7mg dexamethasone implant on central macular thickness and visual acuity in those patients with persistent macular edema after pars plana vitrectomy for epiretinal…
- Conditions
- Macular Edema, Epiretinal Membrane, Vitrectomy
- Trial name
- DEMO (NCT02995746)
- Testing
- Dexamethasone
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Pre Diabetes, Vascular Stiffness
Dietary Exchanges With Avocado and Mango in Pre-diabetes
The research is designed as a randomized, 2-arm, parallel, controlled, human clinical trial to investigate the effects of avocado and mango consumption for 8 weeks on indices of macro- and micro- vascular function in individuals…
- Conditions
- Pre Diabetes, Vascular Stiffness, Vascular Dilation, Cognitive Change
- Trial name
- AVMa (NCT05353790)
- Testing
- Meals + snacks: control, Meals + snacks: Avocado mango
- Where
- United States
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology