At a glance:
  • Four in 1 - Autorefraction, Tonometry, Keratometry and Pachymetry
  • Automated calculation of corrected IOP based on central corneal thickness
  • Keratometry measurement with double mire ring
  • Patient friendly advanced auto puff control and noise reduction
  • Clinically important functions- accommodation measurement and opacity assessment
  • Breath shield available
  • More information below...

Four in 1 – Autorefraction, Tonometry, Keratometry and Pachymetry

The NIDEK Tonoref III boasts 8 years of technical achievement with fast, reliable and high measurement accuracy and a space saving design offering an efficient patient workflow.

Features include:

Automated calculation of corrected IOP

Opacity assessment

The retro illumination image allows evaluation of media opacity

Large pupil zone imaging method

Measures the central refraction and a large area refraction. The difference in the measurement allows assessment of the effect of pupil size on vision under mesopic conditions.

Double mire ring Method

Keratometry measurements performed with the mire ring method reduces interference from the eyelids. The device performs measurements at diameters of 3.3 mm and 2.5 mm. Comparison of the two values allows a better understanding of the cornea shape.

Automatic Puff Control (APC)

In subsequent measurements, the APC function performs the measurement with the minimum air pressure based on the previous measurement data. Now with a softer and quieter air puff.

Gentle nozzle design

A gentle nozzle design reduces patient’s perception of physical pressure.


Dimensions: 260W x 495D x  505H mm

See Product brochure for the full specification