Thanks to the high precision of manufacturing at Haag-Streit, the Goldmann applanation tonometer offers reliable performance over many years without the need for manufacturer maintenance.
Depending of the slit lamp, the Haag-Streit Goldmann applanation tonometers have different ways of how they are mounted.
Type BQ / BP
The Applanation Tonometer type BQ / BP fits the Haag-Streit slit lamps BQ 900 and BP 900. It provides a parking position and can be easily placed into working position. The applanated surface is observed monocularly through the right eyepiece of the stereo microscope.