Clinical trials: OHT - Ocular Hypertension
Primary Open Angle Glaucoma, Normal Tension Glaucoma
Correlation of Orbital Cerebrospinal Fluid Pressure and Retinal Venous Outflow in Primary Open-angle Glaucoma
A spontaneous venous pulsation over the optic disc is an ophthalmological sign that can potentially be found in up to 98% of healthy individuals.
- Trial name
- NCT01795014
- Where
- Belgium
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Diabetic Retinopathy, Retinal Vein Occlusion
Computer Aided Diagnosis of Multiple Eye Fundus Diseases From Color Fundus Photograph
Blindness can be caused by many ocular diseases, such as diabetic retinopathy, retinal vein occlusion, age-related macular degeneration, pathologic myopia and glaucoma.
- Conditions
- Diabetic Retinopathy, Retinal Vein Occlusion, Retinal Artery Occlusion, Central Serous Chorioretinopathy
- Trial name
- NCT04723160
- Testing
- Software assisted imaging diagnosis
- Where
- 5 sites in China
- Volunteers
- 748 people, healthy volunteers welcome
- Sponsor
- Visionary Intelligence Ltd.
Glaucoma
To Evaluate the Effect of Ginkgo Biloba Extract on Optic Nerve Head Perfusion Examined Using OCTA
Glaucoma is defined as progressive neuropathy of the optic nerve. It is an important cause of irreversible blindness worldwide. Lowering the intraocular pressure is the only proven treatment for this neurodegenerative disease.
- Trial name
- GBE (NCT04846179)
- Testing
- Ginkgo biloba extract
- Where
- Canada
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Nova Scotia Health Authority
Glaucoma
Prevalence of Glaucoma in Belgium: a Multicenter National Trial
To screen for the presence of glaucoma in a Belgian population over 40 years old using an AI algorithm developed for the detection of glaucoma based on fundus pictures.
- Trial name
- BelGlaucoma (NCT05703724)
- Testing
- AI algorithm for the detection of glaucoma
- Where
- 8 sites in Belgium
- Volunteers
- 1,418 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Primary Open-angle Glaucoma
Effects of Primary Open-angle Glaucoma on Visual-motor Coordination
Commonly used visual function assessments in glaucoma diagnosis and treatment-such as visual acuity, visual field, and contrast sensitivity-do not directly capture the impact of the disease on patients' daily abilities.
- Trial name
- NCT06692205
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma
Heidelberg Edge Perimetry (HEP) Detecting Glaucomatous Visual Field Defects
The purpose of this study is to compare standard automated perimetry (SAP) using the Heidelberg Edge Perimeter (HEP) to the Octopus Visual Field (OVF) analyzer and determine test-retest reliability of both parameters in detecting…
- Trial name
- HEP (NCT02526654)
- Testing
- Heidelberg Edge Perimeter, Octopus Visual Field, Optical Coherence Tomography
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Wills Eye
Glaucoma
Comparison of Latanoprost Vs. Timolol
The primary purpose of this study is to show, through a controlled masked clinical study of subjects with ocular hypertension (OHT), that latanoprost increases the low uveoscleral drainage of aqueous humor back to normal levels…
- Trial name
- NCT00579969
- Testing
- Latanoprost, Timolol
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Glaucoma
Polymorphisms in the Human Matrix Metalloproteinase Genes MMP1, MMP3, and MMP9: Genetic Risk Factors of Primary Open Angle Glaucoma?
Matrix metalloproteinases (MMPs) fulfill diverse important molecular functions and play pivotal roles in development, tissue morphogenesis, repair, aging, and inflammatory processes.
- Trial name
- NCT00312403
- Testing
- Blood Sample
- Where
- Austria
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Primary Open Angle Glaucoma, Secondary Open Angle Glaucoma
Early Diagnosis, Pathogenesis and Progression of Open Angle Glaucoma
The Erlangen Glaucoma Registry is a clinical registry for cross sectional and longitudinal observation of patients with open angle glaucoma (OAG) or glaucoma suspect, founded in 1991.
- Conditions
- Primary Open Angle Glaucoma, Secondary Open Angle Glaucoma, Ocular Hypertension
- Trial name
- NCT00494923
- Where
- Germany
- Volunteers
- 2,500 people, healthy volunteers welcome
- Sponsor
- University of Erlangen-Nürnberg Medical School
Glaucoma, Intraocular Pressure
Intraocular Pressure Fluctuation in Patients With Glaucoma and in Healthy Patients During Standard Yoga Positions
The purpose of the study is to investigate the IOP difference between normal and glaucomatous eyes using standard ophthalmic tonometry devices while subjects are performing different standard yoga asanas.
- Trial name
- NCT01915680
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Robert Ritch, MD, LLC.
Obstructive Sleep Apnoea, Open Angle Glaucoma
Prevalence of Obstructive Sleep Apnoea in Glaucoma
This study aims to investigate a potential link between Obstructive Sleep Apnoea (OSA) and Open Angle Glaucoma (OAG); initially by determining whether the prevalence of OSA is higher in patients with OAG in comparison to people…
- Trial name
- POSAG (NCT02713152)
- Where
- United Kingdom
- Volunteers
- 403 people, healthy volunteers welcome
- Sponsor
- Papworth Hospital NHS Foundation Trust
Glaucoma
Evaluation of Visual Training System in Patients With Glaucoma
This study intends to conduct visual function examinations and follow-ups on two groups of glaucoma patients, one receiving visual perceptual training and the other serving as a control without training.
- Trial name
- NCT06433102
- Testing
- Visual perceptual training based on the lateral masking paradigm
- Where
- China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma
Comparison of Critical Flicker Fusion Versus Automated Visual Fields in the Detection of Early Glaucoma
The purpose of this study is to evaluate if critical flicker fusion is a more reliable method for detection of early glaucoma compared to automated visual fields in comparison to subjects without evidence of glaucoma or optic…
- Trial name
- NCT01076114
- Where
- United States
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Northwell Health
Diabetic Maculopathy, Age Related Macular Degeneration
Reading Analysis in Ophthalmologic Patients
Investigation of the reading parameters and fixation behavior in patients with different ocular diseases (age-related macular degeneration, glaucoma, diabetic maculopathy, epiretinal membrane) and healthy subjects.
- Conditions
- Diabetic Maculopathy, Age Related Macular Degeneration, Glaucoma, Epiretinal Membrane
- Trial name
- NCT03750149
- Testing
- EyeTracker
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Prim. Prof. Dr. Oliver Findl, MBA
Intraocular Pressure Disorder
The Effects of Virtual Colonoscopy on Intraocular Pressure
Our trial examined the intraocular pressure measurements differences, before and after virtual colonoscopy examination.
- Trial name
- NCT03090243
- Testing
- Virtual colonoscopy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Shlomo gavrielli
Glaucoma Open-Angle
Social History and Glaucoma Progression
The objective of this study is to predict of glaucoma progression. By imaging of the retinal nerve fiber layer RNFL, optic nerve head (ONH) and macular measurements using spectral-domain OCT (SD-OCT) instruments
- Trial name
- OCT (NCT06434155)
- Where
- Egypt
- Volunteers
- 1,584 people, healthy volunteers welcome
- Sponsor
- Assiut University
Glaucoma, Open-Angle, Normal Tension Glaucoma
Investigation of Neurovascular Coupling in Glaucoma Patients and Healthy Subjects
Glaucoma is characterized by a progressive loss of retinal ganglion cells (RGCs) leading to optic nerve head (ONH) damage and associated visual field defects.
- Conditions
- Glaucoma, Open-Angle, Normal Tension Glaucoma, Ocular Hypertension
- Trial name
- NCT03870230
- Testing
- Fourier Domain Doppler Optical Coherence Tomography (FDOCT), Dynamic Vessel Analyzer (DVA), Pattern Electroretinography (pERG)
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Training Group, Sensitivity
Developing and Testing a Low Cost Opportunistic Glaucoma Screening Model by Non-physician Graders in Vietnam
This study aims to develop a training course for screening glaucoma using fundus images obtained during diabetic retinopathy screening by non-physician graders.
- Trial name
- NCT05151757
- Testing
- A standard image training set
- Where
- Vietnam
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Queen's University, Belfast
Glaucoma, Malignant Glaucoma
Study on Intraocular Structural Parameters and Surgical Effect Before and After the Onset of Malignant Glaucoma
In this retrospective observational study, we collected intraocular structure parameters of malignant glaucoma and primary angle closure glaucoma.
- Trial name
- MG (NCT04220879)
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Glaucoma, Retinal Disease
The EASE Study - Human Factor and Usability Testing of a Binocular OCT System
Ophthalmology is among the most technology driven of all medical specialties, with advanced medical imaging devices - and specialised computer software - increasingly adopted for routine clinical use.
- Conditions
- Glaucoma, Retinal Disease, Strabismus, Healthy Volunteers
- Trial name
- EASE (NCT02822612)
- Testing
- Binocular OCT prototype
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University College, London