Clinical trials: Intraocular Pressure Changes
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
Intraocular Pressure
Spinal Anesthesia - Intraocular Pressure
We aim to investigate the effect of spinal anesthesia on intraocular pressure.
- Trial name
- NCT02061644
- Testing
- Spinal anesthesia
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Adiyaman University Research Hospital
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 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
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
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
Silicone Tamponade
The Effect of Postural Changes on Intraocular Pressure in Silicone Oil-filled Eyes
The study was conducted to investigate how postural changes including sitting, supine, and LDP(lateral decubitus position) affect the IOP(intraocular pressure) of SO(silicone oil-filled eyes.
- Trial name
- NCT01992510
- Where
- South Korea
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Hospital
Intraocular Pressure, Intracranial Pressure
Intraocular Pressure and Optic Nerve Sheath Diameter Changes at Different PEEP Levels
Positive end-expiratory pressure (PEEP) is sometimes used during perioperative period, as it has favourable effects on lung mechanics.
- Conditions
- Intraocular Pressure, Intracranial Pressure, Positive End-expiratory Pressure
- Trial name
- NCT03938402
- Testing
- Positive end-expiratory pressure
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Marmara University
Cataract, Glaucoma
IOP Changes Associated With SICS and Phako
Prospective randomized trial in patients requiring cataract surgery in which IOP, angle anatomy and other demographic and clinical data are compared. Subjects randomized to both MSICS and phakoemulsification
- Trial name
- NCT02642211
- Testing
- cataract surgery
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Robin, Alan L., M.D.
Uveitis, Intraocular Pressure
Intraocular Pressure (IOP) Assessed by Dynamic Contour Tonometer (DCT) and Goldman Applanation Tonometry (GAT)
The purpose of this study is to evaluate an assessment of the intraocular pressure with the dynamic contour tonometry and the Goldmann applanation tonometry in patients with active anterior uveitis.
- Trial name
- NCT00552019
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- St. Franziskus Hospital
Glaucoma
Visual Function Changes After Intraocular Pressure Reduction
During the glaucomatous disease process, subpopulations of cells may be dead, damaged or healthy. Visual function changes could be observed due to a recovering of the suffering ganglion cells after the intraocular pressure…
- Trial name
- NCT00435058
- Testing
- timolol maleate 0,5%, brimonidine tartrate 0,2%, travoprost 0,004%
- Volunteers
- 54 people
- Sponsor
- University of Sao Paulo
Myopia, Myopia; Astigmatism
Assessment of IOP After Corneal Refractive Surgery Based on AI
Significance, Background, and Current Status Studies show the global average prevalence of myopia is 22%, with hyperopia incidence being similar.
- Conditions
- Myopia, Myopia; Astigmatism, Refractive Surgery, Intraocular Pressure Changes
- Trial name
- AIOP-CRS-AI (NCT07544615)
- Where
- China
- Volunteers
- 10,030 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
Glaucoma, Corneal Damage
Corneal Endothelium After Glaucoma Surgery
The purpose of this trial is to study the change in corneal endothelial cell after glaucoma surgery, non-contact specular microscopic examination is performed for the patients who underwent glaucoma surgery; trabeculectomy and…
- Conditions
- Glaucoma, Corneal Damage, Intraocular Pressure
- Trial name
- NCT00863018
- Where
- South Korea
- Volunteers
- 61 people
- Sponsor
- Chungnam National University
Open-angle Glaucoma, OAG
A Study to Evaluate Adverse Events and Change in Disease Activity With the XEN45 Glaucoma Treatment System Implantation In Adult Participants With Open-Angle Glaucoma in China
Glaucoma is the second most common cause of blindness in the world, second only to cataracts. The purpose of this study is to assess adverse events (AEs) and changes in disease activity in participants with open-angle glaucoma…
- Trial name
- NCT05821855
- Testing
- XEN45 Glaucoma Treatment System, Trabeculectomy
- Where
- 13 sites in China
- Volunteers
- 120 people
- Sponsor
- AbbVie
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
Glaucoma
Intraocular Pressure (IOP) Changes Associated With Muslim Prayer Postural Changes
Elevated intraocular pressure is widely accepted as a risk factor for glaucoma and controlling the pressure remains the cornerstone of effective treatment.
- Trial name
- NCT00454025
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Colorado, Denver
Intraocular Pressure, Intubation;Difficult
A Comparison of Videolaryngoscope and Direct Laryngoscope in IOP Changes, Throat Pain, IT and Hemodynamic Variables
The aim of the study was to compare intraocular pressure, intubation time, throat pain and hemodynamic variables using direct or videolaryngoscopy under general anesthesia requiring endotracheal intubation
- Trial name
- IOP (NCT03279172)
- Testing
- direct laryngoscope, videolaryngoscope
- Where
- Turkey (Türkiye)
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Diskapi Teaching and Research Hospital
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
- NCT00914992
- Testing
- Suction cup application, Squatting
- Where
- Austria
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Open-Angle Glaucoma, Ocular Hypertension
Efficacy of Changing to DUOTRAV® From Prior Therapy
The purpose of this study was to assess the efficacy and tolerability of changing to DUOTRAV® from prior bimatoprost 0.03%/timolol 0.5% pharmacotherapy in subjects with open-angle glaucoma or ocular hypertension having…
- Conditions
- Open-Angle Glaucoma, Ocular Hypertension, Pigment Dispersion Glaucoma
- Trial name
- NCT01327599
- Testing
- Travoprost 0.004%+Timolol 0.5% ophthalmic solution
- Volunteers
- 60 people
- Sponsor
- Alcon Research
Glaucoma Eye
Changes in Eye Pressure in Glaucoma Patients Treated with Istent Inject W, Monitored by a Contact Lens Sensor
The purpose of this study is to compare the IOP-related fluctuations using the CLS (contact lens sensor) Sensimed Triggerfish in glaucoma patients before and after glaucoma surgery with iStent inject W under physiological…
- Trial name
- NCT06607705
- Testing
- Monitoring with contact lens sensor
- Where
- 2 sites in Spain
- Volunteers
- 53 people
- Sponsor
- Fundacio Privada Mon Clinic Barcelona