Comparison of Intraocular Pressure Measurement With the Novel TonoVera Device With Other Commonly Used Devices

Recruiting now · Not applicable

Conditions studied: Glaucoma

In brief

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.

Key facts

Study ID

NCT05523622

Run by

State University of New York at Buffalo

People needed

300

Starts

2022-08-01

Expected to finish

2027-12-31

Last updated by the study team

2026-05-06

Who can join

Age: any. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• Ability to provide signed and dated informed consent form. Patients willing to comply with all study procedures and be available for the duration of the study.
• Male or female patients aged 18 to 99 Patients in good general health as evidenced by ability to come to their appointment on day of study.

You may not qualify if…

• Patients age less than 18 years Patients unable or unwilling to provide informed consent to participate in the study Patients for which an accurate tonometry reading cannot be performed. This may include those with blepharospasm (lid squeezers), nystagmus, extensive corneal pathology, or contact lens wearers who cannot remove their contact lens.Patients with significant scleral thinning Patients with a known allergy to proparacaine or fluorescein as these are used to anesthetize and allow measurement respectively of the eye when used with the Goldmann tonometer.

Where it is running

• Ross Eye Institute — Buffalo, New York, United States (enrolling)

Full record on ClinicalTrials.gov

Trial information comes from ClinicalTrials.gov and is refreshed daily. TrialsForMe does not provide medical care and does not run the studies it lists.