Clinical trials: Optical Coherence Tomography Glaucoma
Eye Diseases, Retinal Disease
Advancing Pediatric Retinal Imaging With Auto-aligned OCT
The goal of the current study is to conduct a pilot study to test a new version of the handheld OCT device capable of auto-alignment to image the retina in adult volunteers, and adult and pediatric patients in clinic.
- Conditions
- Eye Diseases, Retinal Disease, Glaucoma, Optic Nerve Diseases
- Trial name
- NCT06841575
- Testing
- Auto-aligned OCT
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Duke University
Glaucoma Secondary, Congenital Cataract
Quantitatively Analysis of Fundus Structure Characteristics in Glaucoma Following Congenital Cataract Surgery
To quantitatively analyze the fundus structure and microvascular characteristics of GFCS and non-GFCS (NGFCS) using optical coherence tomography angiography (OCTA), to explore the vascular-structural association, and to assess…
- Trial name
- NCT05446077
- Where
- China
- Volunteers
- 129 people
- Sponsor
- Sun Yat-sen University
Glaucoma
Photographic Imaging of the Retina and Optic Nerve Head of Glaucoma Patients and Normal Controls
Retinal structures are difficult to visualize because the retina is optically transparent. In glaucoma, the microglia in the retina becomes activated in eyes with glaucomatous damage.
- Trial name
- NCT00430274
- Where
- Switzerland
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Selim Orguel
Glaucoma Patient, Glaucoma Suspect Patient
The Performances of Spectral Domain Optical Coherence Tomography (OCT) for Distinguishing Glaucomatous Eyes
The purpose of this study is to evaluate performances of each parameters of spectral domain (Cirrus) optical coherence tomography for distinguishing between normal eyes, glaucoma suspect and glaucomatous eyes
- Conditions
- Glaucoma Patient, Glaucoma Suspect Patient, Normal Population, RNFL Thickness by Location
- Trial name
- cirrusOCT (NCT01067482)
- Where
- Thailand
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Prince of Songkla University
Glaucoma
SDOCT-GMPE Software
The investigators prospectively evaluate the new glaucoma premium edition (GMPE) software for spectral domain optical coherence tomography (SDOCT) and if this software is superior to the conventional one that is currently used…
- Trial name
- NCT02235454
- Testing
- SDOCT-GMPE software
- Where
- United States
- Volunteers
- 57 people
- Sponsor
- Duke University
Glaucoma
Macular Damage in Early Glaucoma and Progression
Glaucoma is the leading cause of irreversible blindness worldwide. This study aims to test a new method that may allow earlier diagnosis of glaucoma and better ways to monitor if it is getting worse.
- Trial name
- NCT02547740
- Where
- United States
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Columbia University
Open Angle Glaucoma
Correlation Between Optical Coherence Tomography Angiography and Photopic Negative Response in Patients With Glaucoma
Open angle glaucoma (OAG) is considered a common cause of irreversible vision loss worldwide. It is an optic neuropathy associated with progressive loss and degeneration of the retinal ganglion cell layer (RGC) and its axons…
- Trial name
- NCT05104294
- Testing
- Optical Coherence Tomography- Angiography, Photopic negative response
- Where
- Egypt
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Benha University
Glaucoma
Rocklatan Retinal Perfusion OCT Study
The main purpose of this study is to learn more about how Rocklatan eye drops affects blood flow in the eye. The secondary purpose is to see if our study devices can detect changes in blood flow before and after instillation of…
- Trial name
- NCT07174401
- Testing
- Rocklatan eye drops will be instilled nightly in one eye diagnosed with glaucoma for up to 12 months., Two optical coherence tomography (OCT) devices will be used to assess blood flow changes.
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Oregon Health and Science University
Neovascular Glaucoma, Type 2 Diabetes
Observation of Iris Blood Flow Via OCTA in Diabetic Neovascular Glaucoma
The goal of this observational study is to quantify iris blood flow via non-invasive eye scanning for evaluating ocular lesions in adults aged 18 years and older, including healthy volunteers, patients with type 2 diabetes…
- Trial name
- NCT07722910
- Where
- China
- Volunteers
- 98 people
- Sponsor
- Qilu Hospital of Shandong University
Macular Degeneration, Dry, Primary Open-angle Glaucoma
Retinal Photoreceptor Outer Segment Length Before and After Light Stimulation - a Pilot Study
It has been shown that reactions of human retinal photoreceptors to a light stimulus can be measured with custom-made, research prototype optical coherence tomography (OCT) systems.
- Trial name
- NCT03921931
- Testing
- White light stimulation
- Where
- Austria
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Glaucoma, Primary Open Angle
Caffeine Consumption in Glaucoma Patients and Healthy Subjects
Caffeine is the most widely consumed drinking nutrient in the world. Caffeine effects various organs and the vascular system. It decreases ocular blood flow due to vasoconstriction.
- Trial name
- NCT03675412
- Testing
- Caffeine tablet
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Retinal Disease, Glaucoma
Optimize Pediatric OCT Imaging
Handheld optical coherence tomography (OCT) has become an important imaging modality to evaluate the pediatric retina. The objective of this pilot study is to compare a new contact OCT system (Theia Imaging) with an…
- Conditions
- Retinal Disease, Glaucoma, Optic Nerve Diseases
- Trial name
- NCT06139523
- Testing
- Investigational contact OCT system, Investigational noncontact OCT system:
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Duke University
Glaucoma, Open-angle, Primary Open Angle Glaucoma (POAG)
Nicotinamide for Retinal Protection in Primary Open-Angle Glaucoma (NADIR Trial)
The goal of this clinical trial is to learn whether a high-dose vitamin B3 supplement called nicotinamide can protect retinal nerve cells in adults with primary open-angle glaucoma (POAG) who are already receiving standard…
- Trial name
- NADIR (NCT07808333)
- Testing
- Nicotinamide, Standard Glaucoma Therapy
- Where
- United States
- Volunteers
- 96 people
- Sponsor
- University of Chicago
Glaucoma, Filtering Blebs
Imaging of Trabeculectomy Blebs Using the Spectral Domain Optical Coherence Tomography
The aim of this study is imaging of trabeculectomy blebs regarding structure and function with the spectral domain optical coherence tomography.
- Trial name
- SDOCT-TE (NCT01391676)
- Testing
- trabeculectomy
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- Technische Universität Dresden
Glaucoma
Posterior Pole Asymmetry Analysis (PPAA) for Early Glaucoma
Spectrailis optical coherence tomography has come with a new posterior pole asymmetry analysis for glaucoma diagnosis. The aim of the investigators study was to assess its applicability in diagnosing early glaucoma patients.
- Trial name
- PPAA (NCT02141594)
- Where
- India
- Volunteers
- 156 people, healthy volunteers welcome
- Sponsor
- Dr T V Patel Eye Institute
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
Normal Subject, Glaucoma
Assessment of an Automated Optical Coherence Tomography and Camera : Effectiveness of Vision-700
The objective of study is to assess the repeatability and agreement of the retina and cornea measurement by Vision-700 in comparison with those by 3D OCT-1.
- Conditions
- Normal Subject, Glaucoma, Retinal Disease, Cornea
- Trial name
- NCT06496763
- Testing
- Vision-700
- Where
- Taiwan
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Crystalvue Medical Coporation
Glaucoma
Glaucoma Screening to Enhance At-Risk Californians' Health
The vast majority of glaucoma cases in the United States go undetected and untreated until the late stages of the disease. Open-angle glaucoma is a progressive condition that is asymptomatic in its early to moderate stages and…
- Trial name
- G-SEARCH (NCT06854198)
- Testing
- Glaucoma screening with optical coherence tomography (OCT), color fundus photography, and tonometry, Educational Brochure
- Where
- 3 sites in United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Angle Closure Glaucoma, Glaucoma
Anterior Segment Changes by Optical Coherence Tomography (OCT) in Phaco- Trabeculectomy
1. Develop a measurement protocol by OCT imaging and characterization of the anterior chamber change in glaucoma patients before and after surgery. 2. Show the effect of combined surgery in control of intra ocular pressure.
- Conditions
- Angle Closure Glaucoma, Glaucoma, Cataract Secondary
- Trial name
- NCT03626675
- Testing
- phaco- trabeculectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Assiut University
Glaucoma
CLARITY Imaging Study
OCT image quality is necessary to provide accurate diagnostic information to ophthalmologists. The increasing resolution of imaging techniques will require ever more high standards of optical transmission through the cornea and…
- Trial name
- CLARITY (NCT03758859)
- Testing
- sodium hyaluronate eyedrops
- Where
- United Kingdom
- Volunteers
- 80 people
- Sponsor
- Imperial College London