Contact Tonometers - Eye Pressure

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Contact Tonometers
Perkins Mk3

  • Ergonomic design
  • Improved LED illumination
  • Longer-lasting battery
  • Tonogrip prism holder
Perkins Mk3
Applanation Tonometer

Applanation Tonometer has been copied heavily by many other companies. The original was the Goldmann Applanation Tonometers and most operates according to the 'Goldmann method', by measuring intraocular pressure from the force required to flatten (applanate) a constant area (3.06mm) of the cornea.

Goldmann Applanation Tonometer
The PASCAL tonometer from Ziemer Ophthalmic System AG

  • True and accurate measurement independent from corneal properties
    like CCT and corneal rigidity
  • Highest repeatability allowing a refined IOP progression analysis
  • True and accurate measurement of both static pressure (IOP)
    and pressure fluctuation (OPA)
  • True and accurate measurement – no late or missed diagnosis
  • Device can be connected to wireless printer or PC and is EMR compatible
  • Automatic self calibration – no additional calibration stepts needed
  • Low risk of cross infection due to sterile sensor caps
PASCAL tonometer
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