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MHRA issues warning over Goldmann prisms

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A medical device alert notice has been issued for Goldmann applanation tonometer prisms, manufactured by Hagg-Streit, by the Medicines and Healthcare products Regulatory Agency (MHRA).

A medical device alert notice has been issued for Goldmann applanation tonometer prisms, manufactured by Hagg-Streit, by the Medicines and Healthcare products Regulatory Agency (MHRA).

The notice has been issued to advise practitioners of the possibility of damage to the tonometer prism due to the use of inappropriate disinfectants by users. The damaged prism may take up some of the cleaning solution, resulting in risk of corneal irritation or erosion.

The problem came to light after the manufacturer received three reports of damage to tonometer prisms caused by disinfectants not recommended for use with this device.

As a result of these reports, Haag-Streit issued a Field Safety Notice (FSN) in October 2008 to all customers.

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