Clinical trials: Retina Disorder
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
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
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