Tono-Pen® XL

Handheld Tonometer

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 enable operators to take fast and accurate IOP measurement with minimal training. Weighing only 2.1 ounces, Tono-Pen XL is extremely portable making it easier to take IOP measurements anywhere on any patient. Designed & assembled in USA.

Tono-Pen AVIA, like the Tono-Pen XL, uses sanitized Ocu-Film® + Tip Covers to minimize the risk of patient cross contamination.

Tono-Pen® and Ocu-Film®+ products are also available from your Authorized Reichert Technologies Distributor. Add them to a Quote Request or select Find Distributor to contact a distributor near you. For US government sales, please call 1-888-849-8955 to place your order. 
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Advanced Technology for Accuracy and Repeatability

The Tono-Pen XL tonometer utilizes advanced microprocessor technology to produce objective IOP measurements that are less influenced by operator bias than Goldmann tonometry. The average of four independent readings, combined with a statistical confidence index, ensure accurate, repeatable, and reliable tonometry results.

Easy to Use

The Tono-Pen XL tonometer functions in any orientation, making it ideal to use on all of your patients including on those in beds or wheelchairs. The device activates with the push of a button and results are displayed clearly on the easy-to-read LCD screen. Patients will appreciate the quick and gentle measurement process.

Clinically Trusted

Clinicians worldwide have made the Tono-Pen XL tonometer a trusted part of their practice for nearly two decades. The proven reliability of the device allows operators to take IOP measurements confidently anytime, anywhere, and in any position.


  •  25 years of clinically proven accuracy and reliability
  •  Rapid, accurate and objective IOP measurement
  •  Functions in any position
  •  Portable and extremely light weight
  •  Easy-to-read LCD display

Catalog Number: 230635 Tono-Pen XL Starter Kit 

  •  Tono-Pen XL
  •  Carry case
  •  150 individually wrapped Ocu-Film + tip covers
  •  One package of four Ocu-Cel XL Batteries

Weight: 2.1 oz (59.4 g)
Length: 7.25 in. (18.4 cm)
Width: 1 in. (2.5 cm)
Thickness: 0.875 in. (2.2 cm)
Transducer: Micro Strain Gauge
Measurement Range: 5 - 80 mmHg
Power Source: 2 Ocu-Cel XL batteries
TitleTono-Pen® XL - Brochure
TitleTono-Pen® & Ocu-Film® - Brochure
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Tono-Pen® XL - Brochure
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Tono-Pen® & Ocu-Film® - Brochure
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TitleCleaning & Disinfection Matrix
TitleTono-Pen® XL - FAQs
TitleTono-Pen® - Cleaning Instructions
TitleTono-Pen® XL - User's Guide
TitleTono-Pen® XL - Quick Reference
TitleTono-Pen® - Tono-Pen Cleaning Procedure
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Cleaning & Disinfection Matrix
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Tono-Pen® XL - FAQs
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Tono-Pen® - Cleaning Instructions
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Tono-Pen® XL - User's Guide
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Tono-Pen® XL - Quick Reference
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Tono-Pen® - Tono-Pen Cleaning Procedure
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