Comparison of Intraocular Pressure Measurements Between Reichert Tono-Vera Tonometer and Goldmann Tonometry
Public ClinicalTrials.gov record NCT04360369. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
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).
Study identification
- NCT ID
- NCT04360369
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 61 participants
Conditions and interventions
Conditions
Interventions
- IOP with Goldmann Applanation Tonometer Device
- IOP with comparator ORA G3 and ic100 tonometers Device
- IOP with Tono-Vera Tonometer Device
Device
Eligibility (public fields only)
- Age range
- 18 Years to 90 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 18, 2020
- Primary completion
- Apr 27, 2021
- Completion
- Apr 27, 2021
- Last update posted
- Jan 2, 2022
2020 – 2021
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Department of Ophthalmology, Duke University | Durham | North Carolina | 27705 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT04360369, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jan 2, 2022 · Synced Sep 1, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04360369 live on ClinicalTrials.gov.