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  • Tonosafe Disposable Prism Tip
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Haag Streit Tonosafe Disposable Prism Tips - Box of 100

$162.00 $157.00
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Product Description

The World-leading method of reducing the risk of cross infection.

Tonosafe Disposable Tonometer Prisms For Use In Goldmann And Perkins Applanation Tonometers, Per Box Of 100 Prisms

The Tonosafe™ disposable prisms are a convenient and effective method of reducing the risk of cross infection between patients, eliminating the need to clean and disinfect prisms. Tonosafe are compatible with both Goldmann and Perkins tonometers.

Boxed in 100s with five prism holders per box.


Consistently reliable IOP

Goldmann applanation tonometry has become the standard method of testing Intra-Ocular Pressure (IOP). There has always been some concern that reusable tonometer prisms could present a real risk of cross-infection between patients. Tonosafe is a low-cost, disposable prism, which reduces the risk of cross-infection, without compromising the performance of Goldmann applanation tonometers.

More than meets the eye

Tonosafe is developed, manufactured and supported by Haag-Streit, so quality, accuracy and reliability are assured. Calibrated to Goldmann standards, Tonosafe has been specifically designed for use with Goldmann and Perkins style tonometers.

Supplied fully-sterilised 

Tonosafe avoids the need for time consuming and laborious cleaning and disinfection, without compromising the original Goldmann quality. It has been developed for single patient use only and reliably eliminates the risk of cross infection, even in the most difficult situations.

Sold Worldwide for over twenty years, Tonosafe disposable prisms are now recognised as the leading method of reducing the risk of cross infection during tonometry.


A number of peer-reviewed clinical investigations have validated Tonosafe compared to the Haag-Streit Goldmann tonometer prism and found it to be cost-effective and provide consistently reliable results across a range of Intra-Ocular Pressures (IOP).

The product is routinely used in many countries Worldwide, including; UK, USA, Germany, Switzerland, France, Australia, Hong Kong, Japan and Spain.

Clear & consistent mires

Precision engineered to meticulous standards, Tonosafe provides a superb view of the fluorescent tonometer mires to ensure the highest optical clarity; synonymous with Haag-Streit’s tonometry heritage. 

Accurate, quick and easy to use

Everything you need is supplied in one box, including prism holders. Boxed in 100s, Tonosafe is supplied in five trays of 20 prisms (plus one prism holder). The combined weight of prism and holder is 1.65g +/- 0.05g, so no conversion of results is required.

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