Clinical trials: Intraocular Pressure
Intraocular Pressure
Effect of Central Corneal Thickness On IOP Using Various Tonometers
The primary purpose of this study is to evaluate the effects of ocular physical properties on intraocular pressure (IOP) measurements in eyes with healthy corneas using the following instruments to measure IOP: Goldmann…
- Trial name
- CCT (NCT00570791)
- Testing
- Tonometer
- Where
- 2 sites in United States
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- University of Nebraska
Intraocular Pressure
Self-monitoring of the Intraocular Pressure Versus Hospital-based Diurnal Monitoring
Glaucoma remains the leading cause of irreversible blindness worldwide. Glaucoma represents a group of diseases that lead to optic nerve damage and corresponding deterioration of the visual field.
- Trial name
- NCT04485897
- Testing
- icare HOME device (Icare Oy, Vanda, Finland)
- Where
- Switzerland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Luzerner Kantonsspital
Intraocular Pressure
The Effect of Brimonidine
This study will evaluate whether pre-treating patients with Brimonidine 0.2% before and/or after dilating the pupils will help to control the changes in intraocular pressure often seen when using dilating drops.
- Trial name
- NCT03959176
- Testing
- Brimonidine, Tropicamide, Phenylephrine Ophthalmic Product
- Where
- United States
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences
Intraocular Pressure
iCare ST500 Clinical Trial
Clinical validation of iCare ST500 tonometer per ANSI Z80.10:2014 standard
- Trial name
- NCT05742009
- Testing
- iCare ST500, GAT, iCare IC200
- Where
- Canada
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- Icare Finland Oy
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
Intraocular Pressure
Effects of Intubation on Intra-ocular Pressure and Optic Nerve Sheath Diameter
Brief Summary: In this study, the investigators aimed to compare the effects of different types of endotracheal instruments (Machintosh laryngoscope, McGrath videoingoscope and C-Mac videoryngoscope) on intraocular pressure…
- Trial name
- [Intubation] (NCT05763056)
- Testing
- McGrath videolaryngoscopy, C-MAC videolaryngoscopy, Direct laryngoscopy
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Inonu University
Intraocular Pressure
IOP Elevation Study
The purpose of this study is to improve understanding of the pathophysiologic process that leads to the development of glaucamotous damage.
- Trial name
- NCT03400137
- Testing
- Increasing of intraocular pressure (IC)
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- NYU Langone Health
Intraocular Pressure
Comparative Study of the NIDEK TONOREF III and the Haag-Streit Goldmann Manual Tonometer and Comparison of Pachymetry Values for NIDEK TONOREF III With the NIDEK CEM-530
The primary objective of this clinical study is to prove that tonometry values for NIDEK TONOREF III are comparable to the predicate device and to prove that the pachymeter function of NIDEK TONOREF III is equivalent to the…
- Trial name
- NCT03441477
- Testing
- Nidek Tonoref III, Haag-Streit Goldmann Manual Tonometer, NIDEK CEM-530
- Where
- United States
- Volunteers
- 225 people, healthy volunteers welcome
- Sponsor
- Nidek Co. LTD.
Intraocular Pressure
Clinical Study of the Topcon Tonometer TRK-3
The study will assess the TRK-3 for conformity to ISO 8612:2009, JIS T7312:2015, and ANSI Z80.10-2014 Ophthalmic Instruments - Tonometers, to the FDA Guidance for Industry and FDA Staff, Tonometer-Premarket Notification [510(k)]…
- Trial name
- NCT05167773
- Testing
- tonometer
- Where
- 2 sites in Japan
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- Topcon Corporation
Intraocular Pressure, Corneal Pachymetry
Comparative Study of Non-contact Tonometers for Intraocular Pressure and Corneal Cell Thickness Measurements
The primary objective of this clinical study is to collect clinical data to support FDA 510(k) submissions for the Topcon CT-800, CT-1, CT-1P and TRK-2P non-contact tonometers.
- Trial name
- NCT02138279
- Where
- United States
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
Intraocular Pressure
Comparative Study of the Topcon Tonometers CT-800 and TRK-2P and the Haag-Streit Goldmann Manual Tonometer and Topcon SP-1P
The study will assess the CT-800 and TRK-2P for conformity to ANSI Z80.10-2014 Ophthalmic Instruments - Tonometers, to the FDA Guidance for Industry and FDA Staff, Tonometer-Premarket Notification [510(k)] Submissions, and to the…
- Trial name
- NCT03439774
- Testing
- Topcon CT-800, Topcon TRK-2P
- Where
- United States
- Volunteers
- 345 people, healthy volunteers welcome
- Sponsor
- Topcon Medical Systems, Inc.
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 a Novel Method for Increasing Intraocular Pressure in Healthy Subjects
Adequate perfusion is necessary for maintaining tissue function. This applies also for the eye, in which ocular perfusion pressure (OPP) is generally estimated as the difference between mean arterial pressure (MAP) and…
- Trial name
- NCT04044274
- Testing
- IOPstim, Suction Cup
- Where
- Austria
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
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.
Intraocular Pressure, Osteopathic Manipulative Treatment
Effect of Osteopathic Techiniques on Intraocular Pressure
The purpose of this study is to assess the effects osteopathic techniques at the upper cervical vertebrae or at the sphenopalatine ganglia on the intraocular pressure.
- Trial name
- NCT04863209
- Testing
- Upper cervical manipulation, Sphenopalatine ganglion manipulation
- Where
- Brazil
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Federal University of São Paulo
Nail Growth Cessation, Intraocular Pressure
Cutaneous Prostaglandin Application: Nail Growth, Nail Brittleness, and Eye Pressure
Topical prostaglandin agents are used to help reduce eye pressure in glaucoma patients. Bimatoprost (Lumigan 0.01%) is such an agent (Allergan, Inc.).
- Trial name
- NCT02448043
- Testing
- Bimatoprost 0.01%
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Northwestern University
Intraocular Pressure
Acute Effects of HIIT and SSMIT on Intraocular Pressure Among Sedentary Individuals
Purpose to study the acute effects of both forms of aerobic exercise (HIIT and SSMIT) on intraocular pressure among healthy sedentary individuals
- Trial name
- NCT04133857
- Testing
- aerobic exercise
- Where
- Malaysia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Malaya
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.
Glaucoma, Intraocular Pressure
Effect of Topical Dexmedetomidine on Intraocular Pressure
Evaluate the short-term safety and efficacy of dexmedetomidine (0.0055%) drops on intraocular pressure (IOP) in healthy eyes.
- Trial name
- NCT03690622
- Testing
- Dexmedetomidine, Balanced salt solution
- Where
- Lebanon
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Beirut Eye Specialist Hospital
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