Nidek Tonoref II Autorefractor Keratometer Tonometer – Used



This used Nidek Tonoref II autorefractor keratometer tonometer has been checked and certified by an authorized technician. It is in perfect cosmetic and working condition and comes with a 3-month warranty.

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Only 1 left in stock


What’s included

  •  Nidek Tonoref II Autorefractor Keratometer Tonometer
  • Power Cable
  • Instruction Manual

Marco Nidek Tonoref II ARK with Tonometry Specifications

This autorefractor/keratometer with tonometry combines the measurement of refractive power, corneal curvature, and intraocular pressure (IOP), providing fast, highly accurate, reliable measurements with significantly reduced measurement time. Its space-saving design eliminates the need for multiple instruments, offering greater efficiency. Plus, it interfaces easily with the patient’s EMR.

Small Pupil Zone Measurement

The Tonoref II ARK with Tonometry can measure through a pupil as small as 2mm. It utilizes a Pupil Zone Imaging Method that includes a wider area (max. 4mm) to obtain measurements closer to the refraction through a mesopic pupil.

SLD vs. LED Technology

Super Luminescent Diode (SLD) technology offers advantages over other measurement methods by using brighter illumination to better read through media opacities, providing a more consistent measurement. The result is a more consistent and repeatable measurement, even with challenging patients.

Fully Automatic Eye-tracking system

The Tonoref II ARK with Tonometry is entirely automatic, focusing and tracking the eye horizontally and vertically.

Eye-Tracking system

The Tonoref II ARK with Tonometry initiates automatic measurement at the optimum measurement point.

Automatic Fogging

The balloon picture is an infinity target. Automatic fogging minimizes accommodation and maintains fog through all measurement readings.

Gentle Air Tonometry

The new Tonoref II ARK with Tonometry has an advanced APC (Automatic Pressure Control), a high-volume, low-pressure puff function that provides a softer puff of air for accurate IOP measurements with increased patient comfort. The Tonoref II ARK with Tonometry system automatically adjusts the strength of the air puff based on the first measurement of the patient’s IOP (including glaucoma suspects).

Aseptic Method for Tonometry

The non-contact tonometer (NCT) provides a simple aseptic method for measuring pressures. The automatic NCT measurements are operator-independent, and training is quick and easy.



Auto refractor/ keratometer
Sphere Range -30D to +25D (0.12D/0.25D)
Cylinder Range 0D to +/-12D (0.12D/0.25D)
Axis range 0 to 180 deg (in 1 or 5 steps)
Minimum measurable pupil diameter 2.0 mm
Corneal Curvature Mode
Corneal curvature radius 5 to 13 mm (0.01mm)
Refraction Index 1.3375
Auto Track & Automatic Data Capture X-Y-Z direction, Automatic Data Capture
Corneal refraction 67.5 to 33.75D (0.12D/0.25D)
Corneal Astigmatism 0D to +/10D (0.12D/0.25D)
Corneal astigmatism axial angle 0 to 180 deg (in 1 and 5 steps)
PD measurement range 30-85mm in 1 mm step
Non-Contact Tonometer
Measurement Range 1mm Hg to 60 mm Hg
Measurement Range Settings APC40, APC60 (APC = Automatic Pressure Control)
Working Distance 11 mm
Eye Fixation Inner Fixation Light
Auto Track & Automatic Data Capture X-Y-Z Direction, automatic data capture
General Information
Monitor Multi-position tilt 5.7-inch color LCD
Printer Thermal line printer with automatic paper cutter
Power supply AC 100-240 V , 50/60 Hz
Power consumption 100 VA
Dimensions & Weight 10.23″(W) x 18.93″(D) x 19.9″(H) / 50.7 lbs




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Additional information

Weight 65 lbs
Dimensions 24 × 24 × 24 in

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