Featuring consecutive measurement, direct point-sampling and high accuracy of orientation, with mechanical hairspring being leveled at the reflecting point of human cornea.

Using high-definition line-shaped sensor, advanced intellectualized electronic system and digital display to make testing result more visible, legible and accurate.

LED light source and low power consumption make battery life prolonged.

+2.00D eyesight compensation

Accuracy self-check function

VD measurement function

Many technology and design patents

Main technical index

Range of measurement: Binocular pupillary distance: 45～82 mm

Left or right pupillary distance: 22.5～41 mm

Indication error: ≤0.5 mm

Rounding error: ≤0.5 mm

Distance of target:30 cm～∞

Power source:  Voltage: DC 3V

Specification: 5# AA battery

Quantity: 2 pieces

Time for automatic shut-off:

About 1 minute after stopping operation, or turn it off manually.

Size:  233mm(L)×165mm(W)×70mm(H)

Weight:  0.68kg