Routine calibration of Tono-Pen AVIA is not required. Spend less time worrying about your instruments and more time with your patients.

• Award Winning Ergonomic Design.

With its award-winning, ergonomic design and soft-touch grips, the lightweight Tono-Pen AVIA fits comfortably in any operator’s hand, ensuring consistent measurement technique among users.

• Simple One Button Operation.

To take a measurement, simply press the button once. When the light turns to green, Tono-Pen AVIA is ready to use. Gently tap the anesthetized cornea until a short beep sounds to alert the operator that the measurement is complete.

• Less Sensitive to Corneal Centration.

Using micro-strain gauge technology, Tono-Pen AVIA is less sensitive to corneal centration than other tonometers and provides fast, accurate, and repeatable results with minimal operator bias.

• Technician Friendly.

Simple one button operation, award winning ergonomics, less sensitivity to corneal centration, and statistical confidence indicator makes delegation of Tono-Pen AVIA to an eye care technician easy and worry-free. Minimal training is necessary to become proficient in obtaining reliable IOP measurements

• Gravity Independent.

Unlike most other tonometers, only Tono-Pen can be used in any position, making it easy to measure all patients, including those who may be in a wheelchair or bedridden.

• Large Dual Sided Screens.

The IOP measurement is displayed on two large, easy-to-read, LCD screens making it suitable for both left and right handed users.

• Long-life Battery.

The convenient on-screen battery indicator ensures that Tono-Pen AVIA will always be ready for use. The removable Tono-Pen AVIA POWERCEL® battery pack is easily replaced, requiring no tools. Just squeeze and pull.

• Made in the USA.

Tono-Pen handheld tonometers are proudly made in our state-of-the art world headquarters in Buffalo, NY, USA.

• Protect your Tono-Pen and your patients with genuine Ocu-Film.