State University of New York at Buffalo
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.
This is a comparative study between the TonoVera, the gold standard Goldmann Applanation Tonometry (GAT) and an established rebound tonometry device, iCare. IOP measurements will be obtained using the following devices: Reichert's prototype Tono-Vera Rebound tonometer (a rebound tonometer in development), iCare's iC100 rebound tonometer (a device commonly used in clinical practice), GAT (a device commonly used in clinical practice). Reichert's iPac Handheld Pachymeter (a device commonly used in clinical practice) will be used to measure the test subject's Central Corneal Thickness (CCT), measu…
Inclusion Criteria: * 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. Exclusion Criteria: * 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), nystag…
The tonometer measures intraocular pressure with a small rebound probe, similar to those used with other tonometers currently on the market, such as the iCare.
This is the current gold standard for measuring eye pressure.
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