Tono-Pen® Tonometer Devices

Tono-Pen® AVIA, now with Quick-Tap® Measurement Mode... More confidence in fewer measurements. Tono-Pen AVIA® Handheld Tonometer is always ready-to-use and calibration-free. An award-winning ergonomic design, long life battery good for...

Tono-Pen® - The one you trust in tonometry. The Tono-Pen XL Applanation Tonometer is an easy-to-use, handheld instrument that provides IOP readings that correlate closely with Goldmann Tonometry. Tono-Pen XL's lightweight ergonomic design and...

Reichert® Tono-Pen AVIA Vet® requires no routine calibration and is always ready-to-use. Its award-winning ergonomic design and longer-life battery good for thousands of measurements, coupled with its ability to measure over 40 breeds of...