Clinical trials: Intraocular Pressure, open to volunteers
Intracranial Pressure Increase
Non-Invasive and Non-Contact Intracranial Pressure Waveform Recording Using Dynamic Video Ophthalmoscopy
This study will test the use of video ophthalmoscope to provide information about intracranial pressure without the use of invasive methods, anesthesia or contact with the eye.
- Trial name
- ICP Waveform (NCT04046523)
- Testing
- Video ophthalmoscope
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
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
Intraocular Pressure
External Influences Upon Ocular Homeostasis
Our experiments are designed to test the overall hypothesis that position-dependent or water-dependent intra-ocular pressure (IOP) spikes occur in humans, and that these challenge ocular homeostasis.
- Trial name
- NCT00338065
- Testing
- Postural change, Water drinking
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Vanderbilt University Medical Center
Patient Cataract
Propofol Versus Sevoflurane Anesthesia on the Intraocular Pressure and Hemodynamics in Patient Undergoing Cyclophotocoagulation
we use two different technique of anaesthesia for anaesthesia of patient undergoining CPC operation (20 each) were comparable with regard to demographic data and hemodynamic variables, IOP.
- Trial name
- cyclophotocoag (NCT07445672)
- Testing
- Propofol and Fentanyl administration, Sevoflurane and fentanyl administration
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Sohag University
Congenital Glaucoma
Study Aim to Compare the Effect of Different Technique of Airway Managment During Anaesthesia on the Haemodynamics and Intraocular Pressure. Patients Were Divided Into Three Groups of 25 Patients Each. (Group A); Patients Who Were Subjected to LMA Insertion (Group B ).
this study aim to compare the effect of different technique of airway managment during anaesthesia on the haemodynamics and intraocular pressure in pediatric patient undergoing congenital glaucoma surgery.
- Trial name
- Airway and IOP (NCT07504315)
- Testing
- laryngeal mask insertion, I gel mask insertion, Endotracheal tube insertion
- Volunteers
- 75 people
- Sponsor
- Sohag University
Glaucoma
Comparison of Intraocular Pressure Measurement With the Novel TonoVera Device With Other Commonly Used Devices
We are testing the accuracy of Reichert's Tono-Vera tonometer by comparing measurements of IOP with this device and measurements with other commonly-used tonometers, including Goldmann Applanation and iCare.
- Trial name
- NCT05523622
- Testing
- Tono-Vera tonometer, Goldman Applanation Tonometry
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- State University of New York at Buffalo
Pigmentary Dispersion Syndrome, Pigmentary Dispersion Glaucoma
IOP Reduction in Pigmentary Glaucoma Using DSLT
This study is a single-site, single-arm, prospective, observational study of IOP reduction after DSLT. Subjects will be assessed up to 12 months post-operatively.
- Trial name
- NCT07281391
- Testing
- Voyager DSLT
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Mann Eye Institute
Glaucoma
Alcon Hydrus Stent Implantation - Long Term Follow up After 8 Years
The purpose of this study is to evaluate the long-term effectiveness and safety of the Hydrus implant combined with concomitant phacoemulsification for lowering intraocular pressure (IOP).Glaucoma patients often have high…
- Trial name
- NCT07460791
- Where
- Germany
- Volunteers
- 200 people
- Sponsor
- Johannes Gutenberg University Mainz
Pediatric Sleep Disordered Breathing, Obstructive Sleep Apnea
Pediatric/Adolescent WatchPAT 400 Reliability Pilot Study
The goal of this clinical trial is to learn whether a newer sleep-testing device gives results that closely match the standard overnight sleep study, in children and adolescents ages 6-18 who are being evaluated for possible…
- Trial name
- NCT07851402
- Testing
- WatchPAT 400
- Where
- United States
- Volunteers
- 35 people
- Sponsor
- Milton S. Hershey Medical Center
Cataract, Glaucoma
Low Intraocular Pressure Cataract Surgery With Zeiss Quatera in Glaucoma Patients
You were selected to participate in this observational study because you suffer from glaucoma and cataracts. For the cataract you will have cataract surgery.
- Trial name
- NCT06712758
- Where
- Belgium
- Volunteers
- 10 people
- Sponsor
- Visionair Oogzorg
Sickle Cell Disease
Peripheral Arterial Tonometry and Neurocognition in Sickle Cell Disease
This study will examine sleep disordered breathing and sleep quality in participants (ages 12-25) diagnosed with sickle cell disease of any genotype.
- Trial name
- NCT06477289
- Where
- United States
- Volunteers
- 65 people
- Sponsor
- St. Jude Children's Research Hospital