Clinical trials: IOP
Healthy
Role of Endothelin-1 in Optic Nerve Head Blood Flow Regulation During Isometric Exercise in Healthy Humans
Autoregulation is defined as the ability of a vascular bed to adapt its vascular resistance to changes in perfusion pressure. In the eye, several studies have reported that retinal blood flow is autoregulated over a wide range of…
- Trial name
- NCT00915070
- Testing
- BQ-123, Physiological saline solution, Laser Doppler Flowmetry
- Where
- Austria
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Safety and Tolerability of SENSIMED Triggerfish in Glaucoma Patients
SENSIMED Triggerfish Discomfort During IOP Monitoring
Evaluation of the wearing discomfort (safety and tolerability) involved during IOP monitoring with the SENISMED Triggerfish, a sensor embedded in a telemetric contact lens
- Trial name
- 09/02 (NCT00966108)
- Testing
- SENSIMED Triggerfish
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Sensimed AG
Phacoemulsification
Clinical Analysis of Ocular Parameters Contributing to Intraoperative Pain During Standard Phacoemulsification
Charts of 142 patients who underwent standard phacoemulsification under topical anesthesia between March and August 2016 were reviewed.
- Trial name
- NCT03031652
- Testing
- Phacoemulsification
- Where
- South Korea
- Volunteers
- 142 people, healthy volunteers welcome
- Sponsor
- Kyungpook National University Hospital
Glaucoma
Effect of SLT Location on Treatment Outcomes
Selective Laser Trabeculoplasty (SLT) is a glaucoma treatment that has been shown to effectively lower intraocular pressure by increasing aqueous outflow through macrophage recruitment.
- Trial name
- SLOS (NCT03164941)
- Testing
- Selective Laser Trabeculoplasty
- Where
- Canada
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- St. Joseph's Healthcare Hamilton
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
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
Myopia
Corneal Biomechanics Study
The goal of the study is to investigate relationship between the corneal response to a temporary increase in intraocular pressure and corneal mechanical properties.
- Trial name
- NCT03658239
- Testing
- Inversion
- Volunteers
- healthy volunteers welcome
- Sponsor
- University of Rochester
Corneal Dystrophy, Macular Dystrophy
The Efficacy of Hyperemesis Gravidarum on Macular Thickness, Corneal Thickness and Intraocular Pressure in Pregnancy
Aim Physiological changes in intraocular pressure as well as in the cornea and macula may occur during pregnancy. In the literature, there are limited data on ocular findings in hyperemesis gravidarum.
- Conditions
- Corneal Dystrophy, Macular Dystrophy, Hyperemesis Gravidarum - Severe
- Trial name
- NCT05927740
- Testing
- Optic coherence tomography
- Where
- Turkey (Türkiye)
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Batman Training and Research Hospital
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
Normal Tension Glaucoma
Intraocular Pressure and Ocular Perfusion Pressure of Cosopt in Normal Tension Glaucoma
To prove the non-inferiority of the fixed timolol-dorzolamide combination (Cosopt) compared to 0.005% latanoprost (Xalatan) in the aspects of intraocular pressure (IOP) and ocular perfusion pressure (OPP) in subjects with normal…
- Trial name
- NCT01175902
- Testing
- dorzolamide/timolol, latanoprost
- Where
- South Korea
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- The Catholic University of Korea
Primary Open Angle Glaucoma (POAG)
One, Two, or Three iStents for the Reduction of Intraocular Pressure in Open-angle Glaucoma Subjects
The purpose of this study is to evaluate the safety and efficacy of the intraocular pressure (IOP) lowering effect of one, two, or three iStent devices in eyes of subjects previously on two anti-glaucoma medications.
- Trial name
- NCT01517477
- Testing
- iStent
- Where
- Armenia
- Volunteers
- 119 people, healthy volunteers welcome
- Sponsor
- Glaukos Corporation
Assess Phenylephrine on EVP and IOP
Effect of Topical Phenylephrine 2.5% on EVP in Normal Human Eyes
Phenylephrine hydrochloride ophthalmic solution is an alpha-1 adrenergic receptor agonist commonly used topically for dilation prior to ocular fundus examination.
- Trial name
- NCT02965924
- Testing
- Phenylephrine 2.5%
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mayo Clinic
Glaucoma
Blood Flow of Ophthalmic Artery and Glaucoma
The main purpose of this project is to investigate the blood flow of the ophthalmic artery (OA) in patients with ocular hypertension, high tension glaucoma and normal tension glaucoma.
- Trial name
- NCT02656979
- Testing
- Latanoprost
- Where
- Sweden
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Umeå University
Intraocular Pressure
Effect of Raised End-Tidal pCo2 on Choroidal Volume
This study is to investigate the relationship between arterial carbon dioxide (CO2) concentration and vitreous pressure on the choroidal volume by integrated intraoperative OCT imaging under eye exams under anesthesia.
- Trial name
- NCT06275308
- Testing
- Ventilation manipulation
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
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
Glaucoma
Reduction of Intraocular Pressure After I-stent By-pass Implantation in Eyes With Open Angle Glaucoma
Purpose of this study is to exam the hypotensive effectiveness of I-stent implantation depended on number of antiglaucoma eye drops at baseline.
- Trial name
- NCT03807869
- Testing
- combined glaucoma surgery
- Where
- Poland
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Intraocular Pressure
The Effect of Brimonidine on Intraocular Pressure When Dilating Routine Patients
This an interventional study looking at two different sequences of pre-operative eye drops, to determine which order is more effective in reducing intraocular pressure with pupil dilation.
- Trial name
- NCT03139708
- Testing
- Alphagan, Phenylephrine, Tropicamide
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Intraocular Pressure, Glaucoma
Comparison of Intraocular Pressure Measurements Between Reichert Tono-Vera Tonometer and Goldmann Tonometry
Determine if the Tono-Vera Tonometer accurately measures intraocular pressure (IOP). The hypothesis of this test is to confirm the Tono-Vera Tonometer is equivalent to the Goldmann Applanation Tonometer (within +/- 5.0 mmHg).
- Trial name
- NCT04360369
- Testing
- IOP with Goldmann Applanation Tonometer, IOP with comparator ORA G3 and ic100 tonometers, IOP with Tono-Vera Tonometer
- Where
- United States
- Volunteers
- 61 people, healthy volunteers welcome
- Sponsor
- Reichert, Inc.
Prostate Cancer
A Comparison of Totally Intravenous and Inhalation Anesthesia for Intraocular Pressure During Robot-Assisted Laparoscopic Radical Prostatectomy
Robot-assisted laparoscopic radical prostatectomy (RALRP) has gained popularity during the past decade and has widely replaced conventional open prostatectomy in many institutions due to reduced blood loss, nerve sparing, less…
- Trial name
- NCT01744262
- Testing
- Total intravenous anesthesia, Inhalation Anesthesia
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Yonsei University
Refractory Glaucoma
Ahmed Valve Glaucoma Implant With Adjunctive Subconjunctival Bevacizumab in Refractory Glaucoma
The investigators aim to demonstrate the efficacy and safety of subconjunctival injection of Avastin as an adjunctive therapy for Ahmed valve glaucoma implant in patients with refractory glaucoma.
- Trial name
- NCT01128699
- Testing
- Subconjunctival Avastin, Ahmed Valve implant
- Where
- Iran
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vanak Eye Surgery Center