The Perkins has been established for well over 30 years as a "world standard" for hand held applanation tonometers. Based on Goldmann principles and utilizing the original Goldmann or Tonosafe disposable prisms, the Perkins combines proven technology with the flexibility of a hand held instrument.
The Perkins has been established for well over 30 years as a "world standard" for hand held applanation tonometers. Based on Goldmann principles and utilizing the original Goldmann or Tonosafe disposable prisms, the Perkins combines proven technology with the flexibility of a hand held instrument.