The TonoRef III is NIDEK’s 3rd generation Multi Function Pretest Station with autorefractor, autokeratometer, non contact tonometer and non contact pachymeter

* High measurement accuracy
  - Large pupil zone imaging method
  - Double mire ring method
  - Automated calculation of corrected IOP
  - Patient-friendly air puff
      Automatic Puff Control (APC)
      Softer and quieter air puff -Gentle nozzle design

* Clinically important functions - accommodation measurement and opacity assessment

* User-friendly design

* Space saving design that is a confortable and efficient upgrade to your practice


The TONOREF III provides the automated calculation function of the corrected IOP based on the central corneal thickness.

Objective measurement of accommodation is performed with patient's focusing on a target that moves from distance to near.