Clinical trials: Optical Coherence Tomography Glaucoma
Glaucoma
Eye Pressure Lowering Surgery
The purpose of this study is to determine if lowering the pressure inside the eye improves blood flow to the eye.
- Trial name
- IOP (NCT01931904)
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Oregon Health and Science University
Glaucoma,Primary Open-Angle ,Primary Angle Closure
Comparison of Optical Coherence Tomography Angiography Microvascular Changes in Primary Open Angle and Primary Angle Closure Glaucoma
This work aims to study the peripapillary and macular microvascular changes in primary open angle and primary angle closure glaucoma using Optical Coherence Tomography Angiography (OCTA).
- Trial name
- NCT06000176
- Testing
- Optical coherence tomography angiography
- Where
- Egypt
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Omar Said
Glaucoma, Glaucoma Following Surgery
Anterior-segment OCT (AS-OCT) and Intraoperative OCT (iOCT) for Trans- Conjunctival Needle Revision (TCNR)
Trabeculectomy is a very important and commonly performed glaucoma operation. It allows fluid from inside the eye to exit into a space called a bleb located on the surface of the eye under the upper eyelid.
- Trial name
- NCT05790408
- Testing
- Digital microscope integrated with intraoperative OCT (Zeiss Artevo 800, Carl Zeiss Meditec AG), Spectralis Anterior-segment OCT (AS-OCT) (Heidelberg Engineering)
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Northwestern University
Glaucoma
Comparison of Two OCT Device RNFL and GCIPL Measurements in Mild, Moderate, and Severe Glaucoma
This research study was designed to evaluate how consistently two different imaging devices measure the thickness of retinal layers in patients with glaucoma.
- Trial name
- NCT07350304
- Testing
- Optical Coherence Tomography
- Where
- United States
- Volunteers
- 141 people
- Sponsor
- Twin Cities Eye Consultants
Glaucoma, Macular Pucker
Prospective Retinal and Optic Nerve Vitrectomy Evaluation (PROVE) Study
Since the introduction of vitrectomy in 1971, this procedure has become the third most frequently performed ophthalmic surgery. Approximately 225,000 vitrectomies are performed annually in the United States and indications…
- Conditions
- Glaucoma, Macular Pucker, Macula Hole, Vitreomacular Traction
- Trial name
- PROVE (NCT01162356)
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University
Glaucoma
Are There Changes in the Nerve Fiber Layer (NFL) After Lowering of Eye Pressure?
The aim of this study was to evaluate structural and functional improvement after lowering intraocular pressure (IOP) in patients with glaucoma using Spectral Domain Optical Coherence Tomography (SD-OCT), Visual Field (VF)…
- Trial name
- NCT02600403
- Testing
- Optical Coherence Tomography (OCT), Visual evoked potential (VEP), Humphrey Visual Field (HVF)
- Volunteers
- 61 people
- Sponsor
- Wills Eye
Open-angle Glaucoma, Pseudoexfoliation Glaucoma
Vitamin Mix (B6, B9, B12, And Choline) For Glaucoma Patients
This study aims to determine whether a combination of vitamins (B6, B9, B12, and choline) can help protect the eyes of people with glaucoma and slow vision loss.
- Trial name
- IVMGS (NCT06885827)
- Testing
- Vitamin B-mix, Standard Care
- Where
- 2 sites in Sweden
- Volunteers
- 80 people
- Sponsor
- Karolinska Institutet
Glaucoma
Phosphodiesterase Inhibitors in Glaucoma Study (PhiGS)
It is commonly known that high eye pressure is associated with glaucoma. However, there is also a theory that poor circulation to the eye is a contributing factor.
- Trial name
- PhiGS (NCT04052269)
- Testing
- Sildenafil 100mg
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- Imperial College London
Conjunctivitis, Glaucoma
Feasibility Study and Preliminary Application Study on Iris OCTA
All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.
- Conditions
- Conjunctivitis, Glaucoma, Myopia, Diabetic Retinopathy
- Trial name
- NCT03631108
- Testing
- OCTA (ZEISS)
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Glaucoma, Ocular Hypertension
SD-OCT Multimodal Analysis in GLaucoma
Glaucoma is the first cause of irreversible blindness worldwide with more than 60 millions people affected in 2010. It is defined as a neurodegenerative disease characterized by a progressive loss of retinal ganglion cells (RGC)…
- Conditions
- Glaucoma, Ocular Hypertension, Eye Diseases
- Trial name
- SOMAL (NCT02710916)
- Testing
- SD-OCT Spectralis
- Where
- France
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Cataract, Primary Open-angle Glaucoma
Optical Coherence Tomography of Nerve Fiber Layer and Ganglion Cell Complex After Cataract Extraction
Optical coherence tomography (OCT) for retinal nerve fiber layer (RNFL) and ganglion cell complex (GCC) is done before and after cataract extraction in patients with or without primary open angle glaucoma (POAG)
- Trial name
- NCT03889652
- Testing
- Oct scans
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- Kasr El Aini Hospital
Glaucoma, Angle-Closure
AS-OCT Evaluation of Iridocorneal Angle of Patients of Angle Closure Glaucoma After Phacoemulsification
Evaluation of the effect of phacoemulsification and YAG Laser peripheral iridotomy on the anterior chamber angle anatomic parameters in PACG eyes, using anterior segment optical coherence tomography (SS ASOCT) device
- Trial name
- NCT05332665
- Testing
- AS-OCT, YAG laser PI
- Where
- Egypt
- Volunteers
- 15 people
- Sponsor
- Minia University
Glaucoma
Retinal Nerve Fiber Layer Thickness Measurement on Parapapillary Atrophy With the Cirrus High-Definition (HD) Optical Coherence Tomography (OCT)
Retinal nerve fiber layer (RNFL) thickness measurement on the parapapillary atrophy is incorrect. Because a new spectral domain OCT, the Cirrus HD OCT, uses a movable circle to analyze the RNFL thickness, we may suggest a new…
- Trial name
- NCT00742196
- Where
- South Korea
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Primary Angle Closure Glaucoma
Evaluation of Ocular Biometry in PACD With Two Swept Source Optical Coherence Tomography Devices
Purpose: To investigate agreement between 2 swept source OCT biometers, IOL M.aster700 and Anterion, in various ocular biometry and intraocular lens (IOL) calculations of primary angle-closure disease (PACD).
- Trial name
- NCT05052242
- Testing
- primary angle closure disease
- Where
- Thailand
- Volunteers
- 45 people
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Angle Closure Glaucoma, Glaucoma
Short-term Outcomes of Iridoplasty for Persistent Angle Closure Despite Patent Iridotomies
Purpose: To evaluate short-term angle opening after argon peripheral iridoplasty using AS-OCT and to report its complications at 1-week and 1-month follow up in patients that did not achieve a satisfactory clinical angle opening…
- Trial name
- ALPIECA (NCT02199158)
- Testing
- Argon Laser Peripheral Iridoplasty
- Where
- Mexico
- Volunteers
- 10 people
- Sponsor
- Instituto de Oftalmología Fundación Conde de Valenciana
Glaucoma
Retinal Nerve Fiber Layer Thickness Analysis With Cirrus HD OCT Versus Stratus Optical Coherence Tomography (OCT)
The Cirrus HD OCT, a new spectral domain optical coherence tomography (OCT), has better resolution than the previous time domain Stratus OCT.
- Trial name
- NCT00766389
- Where
- South Korea
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Glaucoma
Comparison Between an Electronic Mobile Device and Optical Coherence Tomography to Determine Cup-to-disc Ratio
This study was a non-inferiority trial with masked data analysis. Individuals ranging from 18 to 60 years from both genders that met the pre-defined criteria were included.
- Trial name
- NCT02988752
- Testing
- Electronic Mobile Device, Optical Coherence Tomography
- Where
- Brazil
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Clinica Oftamologica Zona Sul
Angle Glaucoma Open
Incidence of Descemet Membrane Detachment Post GATT by AS OCT
detection of Incidence of Descemet membrane detachment post gonioscopy-assisted transluminal trabeculotomy by anterior segment optical coherence tomography in patients with open angle glaucoma.
- Trial name
- NCT05932940
- Testing
- Gonioscopy-Assisted Transluminal Trabeculotomy
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Cairo University
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
Alzheimer Disease, Alzheimer Dementia
Multimodal Retinal Imaging in the Detection and Follow-up of Alzheimer's Disease
Because of a shared ontogenic origin, the retina displays similarities to the brain and spinal cord in terms of anatomy, functionality, response to insult, and immunology.
- Conditions
- Alzheimer Disease, Alzheimer Dementia, Mild Cognitive Impairment, Dementia
- Trial name
- RetAD (NCT03466177)
- Testing
- Non-invasive, multimodal retinal imaging
- Where
- Belgium
- Volunteers
- 320 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven