The AccuPen® makes it easy to obtain extreme accuracy and improved patient outcomes. The unsurpassed ease of use of the control buttons and the straightforward Graphical User Interface guide you through every operation.

What you can't see on the surface is also important. Industry-leading signal acquisition and processing helps you assure accurate measurements. Upgradable software protects your investment. The AccuPen® lets you accomplish complex operations simply.


The AccuPen® uses high resolution, real-time waveform analysis to provide accurate IOP measurements. New gravity offset technology requires less calibration than other handheld tonometers. Weighing only 3.0 oz, the AccuPen® is perfect to go from location to location, and the new ergonomic design makes it easy-to-use.

• Accurate – High resolution, real time waveform analysis helps to ensure precise measurements.
• Easy-to-use – Ergonomic design combined with sighting lines allows for easy visualization of the cornea, facilitating both centralization and perpendicularity.
• Less calibration – Revolutionary gravity offset technology requires less calibration when compared to other handheld tonometers.
• Long lasting battery – Battery lasts approximately 15,000 measurements.
• Built in IOP Correction Calculator – Enter central corneal thickness to obtain adjusted IOP.

The AccuPen® will significantly reduce your operating costs. The $2,995 MSRP is substantially less than the Tono-Pen. The long lasting lithium battery takes approximately 15,000 measurements. The Tono-Pen® would require 37 batteries for the same number of tests. There is an additional 25% savings on operating supplies. Our Cost Comparison demonstrates more than $2,000 in savings with 50 patients per day for one year.

The AccuPen® offers the latest in advanced tonometer technology. The chart below compares the AccuPen® with the Tono-Pen XL. The AccuPen® offers significant advantages and costs more than $200 less. Some of these advanced features are available with the Tono-Pen Avia, but the price of the Avia exceeds the cost of the AccuPen® by almost $700.

Successful practices demand instruments which deliver outstanding results while delivering bottom line savings. The AccuPen sets a new standard for tonometers.

The AccuPen® is self calibrating and it's ergonomic design allows easier visualization of the cornea.

The comprehensive User's Guide provides operating instructions, maintenance and storage guidelines, detailed specifications, troubleshooting, and warranty & repair information.

You may view the instructional video below or Download a PDF version of the AccuPen® User's Guide