NCT05523622Recruiting
Comparison of Intraocular Pressure Measurement With the Novel TonoVera Device With Other Commonly Used Devices
Source: ClinicalTrials.gov · Last updated 6 May 2026
Brief summary (registry, in English)
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.
- Status (registry)
- Recruiting
- Study type
- Interventional
- Enrollment
- 300 (estimated)
- First submitted
- 22 Aug 2022
- Start date
- 1 Aug 2022
- Primary completion date
- 31 Dec 2027
- Lead sponsor
- State University of New York at Buffalo
- Diseases
- Glaucoma
- NCT number
- NCT05523622
What you commit to
- Study type: Interventional
- Planned participants: 300
- From 1 Aug 2022 to the primary completion date, 31 Dec 2027
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Age
- 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.
Who the study is looking for
- 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.
Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Ross Eye Institute Coordinator of this site? Confirm its status | Buffalo | United States | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.