The world's simplest portable auto refractometer. 

Wavefront aberrometry for precise measurements

Compact design, reliable results

The Instaref R20, with its sleek handheld form factor and weight of just 450gm, matches the performance of other popular autorefractors through its state-of-the-art Shack Hartmann technology.

Effortless precision, minimal training

The Instaref R20's intuitive interface and audible tilt warning system ensures high repeatability with unrivalled ease.

Lightning fast results, time is vision

The Instaref R20 is both speedy and dependable, capturing 3 measurements per eye and rapidly computing a final result within a few seconds.

Fully connected for the modern medical practice

The Instaref R20 provides versatile data export options to support any workflow. Easily connect to our app, your EMR system, or print its results via Bluetooth.

Specifications

Principle - Shack-Hartmann Wavefront

Sphere range - -10.0 D to +10.0D

Cylinder range -  -5.0 D to +5.0D

Axis of astigmatism range - 1-180°

Device weight - 450g

Dimensions (w x l x h) - 55 x 140 x 210 mm

Connection - USB, Bluetooth