Clinical trials: IOP
Glaucoma
Functional and Structural Imaging for Glaucoma
The specific aims of the clinical studies are to: Develop a directional high-resolution OCT and OCT angiography prototype to improve imaging of structure and perfusion.
- Trial name
- FSOCT (NCT01957267)
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Intraocular Pressure, Retinal Nerve Fiber Bundle Deficiency
Effect of Steep Trendelenburg in Laparoscopic Surgery on IOP & RNFL Thickness
The effect of Steep Trendelenburg position used during laparoscopic surgery on intraocular pressure during surgery and on the retinal nerve fiber thickness after surgery
- Trial name
- NCT03097705
- Testing
- OCT (Optical coherence tomography)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Carmel Medical Center
Intraocular Pressure Changes After Glucosamine Sulfate Consumption.
Effect of Glucosamine on Intraocular Pressure
In this double blind clinical trial 92 patients suffering from rheumatoid arthritis are included. Those with the history of intraocular and corneal surgery, diabetic and heavy smokers are excluded from the study.
- Trial name
- NCT02306083
- Testing
- glucosamine sulfate 1500 mg three times a day
- Where
- Iran
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University of Medical Sciences
Intracranial Pressure Increase
Effect of Acetazolamide on Optic Nerve Sheath Diameter in Laparoscopic Donor Nephrectomies
The purpose of the trial is to study the effect of acetazolamide administered via Ryle's tube on optic nerve sheath diameter in laparoscopic live donor nephrectomy patients.
- Trial name
- NCT03005665
- Testing
- Acetazolamide, Normal Saline
- Where
- India
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Glaucoma
Intraocular Pressure (IOP) Lowering Efficacy of Transdermal Brimonidine Therapy
The purpose of this study is to evaluate the safety and effectiveness in lowering intraocular pressure (IOP) utilizing an experimental lotion containing 0.1% Brimonidine that is applied to the outside of one eyelid.
- Trial name
- NCT01345448
- Testing
- Brimonidine
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Nanduri, Padma, M.D., FACS
Healthy
Regulation of Optic Nerve Head Blood Flow During Combined Changes in Intraocular Pressure and Arterial Blood Pressure
Autoregulation is the ability of a vascular bed to maintain blood flow despite changes in perfusion pressure. The existence of an effective autoregulation in the optic nerve head (ONH) circulation has been shown in animals and…
- Trial name
- NCT00915226
- Testing
- Suction cup application, Squatting
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Intraocular Pressure and PROSE Lens
Tonometry Precision and Accuracy During PROSE Scleral Lens Wear: A Pilot Study
The goal of this research is to determine the reproducibility of measurements of intraocular pressure (IOP) when a scleral lens is on the eye.
- Trial name
- NCT04308941
- Testing
- Intraocular pressure
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Boston Sight
Ocular Hypertension
Effect of Alternate Therapies on Intraocular Pressure in Ocular Hypertension
The purpose of this study is to evaluate the effect of complementary and alternative therapies, specifically alternate nostril breathing and foot reflexology, on intraocular pressure in patients with ocular hypertension.
- Trial name
- NCT02993445
- Testing
- Alternate Nostril Breathing, Foot Reflexology
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Temple University
Open Angle Glaucoma, Ocular Hypertension
A Study to Investigate the Effect of IOP-lowering With TO-O-1001 Eye Drops in Healthy Subjects and in Patients With Open-Angle Glaucoma or Ocular Hypertension
This is a Phase I/II stage to investigate the safety, tolerability, and ocular hypotensive efficacy of TO-O-1001 in healthy volunteers and patients with Open-Angle Glaucoma or Ocular Hypertension.
- Trial name
- NCT05456724
- Testing
- TO-O-1001
- Where
- Australia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Theratocular Biotek Co.
Intraocular Pressure Change in Intravitreal Injection
Effect of Antiglaucoma Agents on Short Term Intraocular Pressure Fluctuations After Intravitreal Bevacizumab Injection
To assess the effect of prophylactic antiglaucoma agents in prevention of acute intraocular pressure rise after intravitreal injection.
- Trial name
- NCT02140450
- Testing
- Timolol, Brimonidine, Acetazolamide
- Where
- Iran
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Mashhad University of Medical Sciences
Intraocular Pressure
Clinical Study for TONOREF III Tested to ANSI Z80.10-2014
The primary objective of this clinical study was to show that tonometry values for TONOREF III, as the representative device of the NIDEK tonometer series, were comparable to the predicate device.
- Trial name
- NCT07152808
- Testing
- NIDEK TONOREF III, Haag-Streit Goldmann Manual Tonometer
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Pregnancy
Corneal Biomechanics During Pregnancy
It is known that intraocular pressure changes during pregnancy. Collagen structure changes during pregnancy to enable softening of the symphysis, whitening of the birth chanel, and, thus, ultimately to enable delivery of a child.
- Trial name
- CorvisPreg (NCT04433689)
- Testing
- Non-Contact measurement of corneal properties
- Where
- Switzerland
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Myopia, Anisometropia
Ocular Response Analyzer Assessment of Intraocular Pressure and Corneal Biomechanical Properties in Myopic and Anisometropic Patients Under Atropine Treatment
Our study has three parts has three parts, and the main aim of the study is to find out if corneal hysteresis was associated with myopia or even a predictor of myopia poor control predictor: Part 1 of our study: patients with…
- Trial name
- NCT00658502
- Where
- Taiwan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Far Eastern Memorial Hospital
Intraocular Pressure
Effect of Cisatracurium Versus Atracurium on Intraocular Pressure in Patients Underwent General Anesthesia
The purpose of this study is to determine which drug makes lower intraocular pressure
- Trial name
- NCT01273831
- Testing
- atracurium, cisatracurium
- Where
- Iran
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Isfahan University of Medical Sciences
Hemifacial Spasm, Intraocular Pressure
Effect of Hemifacial Spasm on Intraocular Pressure Measurement
Twenty-four consecutive patients with Hemifacial spasm and 25 age and gender-matched randomly selected eyes of healthy volunteers underwent corneal pachymetry and intraocular pressure measurements using Goldmann Applanation…
- Trial name
- NCT03390803
- Testing
- effect of hemifacial spasm on intraocular pressure
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Medipol University
Glaucoma, Intraocular Pressure
Accuracy of Handheld and Non-contact Tonometry
Monitoring the intraocular pressure (IOP) is one of the most important tests used in follow-up among glaucoma suspects and confirmed glaucomatous patients.
- Conditions
- Glaucoma, Intraocular Pressure, Glaucoma, Suspect
- Trial name
- NCT05352906
- Testing
- Intraocular pressure
- Where
- Egypt
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Benha University
Intraocular Pressure
Evaluation of Comfort With Xibrom (Bromfenac Ophthalmic Solution)0.09% and Nevanac (Nepafenac Ophthalmic Suspension) 0.1% Following Selective Laser Trabeculoplasty (SLT)
The objective of this study is to evaluate and compare the comfort of bromfenac or nepafenac following SLT.
- Trial name
- NCT00828477
- Testing
- Xibrom, Nevanac
- Where
- United States
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Bp Consulting, Inc
Mucopolysaccharidosis, Fabry Disease
Non-invasive Assessment of Intraocular Pressure in MPS by Use of the Ocular Response Analyzer.
The aim of the present study is to compare intraocular pressure (IOP) values assessed with Ocular Response Analyzer to the classical gold standard of IOP measurement, to Goldmann applanation tonometry by mucopolysacchyridosis…
- Trial name
- MPSORA (NCT01695161)
- Where
- Germany
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Johannes Gutenberg University Mainz
Open Angle Glaucoma
Different Glaucoma Treatments Effect on Intraocular Pressure Fluctuation With Postural Change in Eyes With Open-angle Glaucoma
The purpose of this study is to investigate the effect of trabeculectomy, glaucoma drainage devices, cyclophotocoagulation and ocular hypotensive eye-drops on IOP elevation with postural change from the sitting to supine…
- Trial name
- NCT02868502
- Testing
- Goldmann tonometer, Pneumatonometer, Tonopen XL
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
Glaucoma
The Water Drinking Test in Glaucoma Study
To investigate the correlation and agreement between the intraocular pressure peaks detected during the water drinking test and modified diurnal tension curve in glaucomatous eyes and to analyse whether this is associated with…
- Trial name
- WIGS (NCT05283031)
- Testing
- Modified Diurnal Tension Curve
- Where
- United Kingdom
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Imperial College London