PM-3 Pupil Ruler

Features: 

Ø It owns precise optical structure,clear optical line and precise measurement.

Ø Digital display for measurement result and separately values displayed for left and right eyes.

Ø Easy operation and quick speed of measuring.

Ø It owns the auto power off and memory function after finishing the measuring

    which could save the electricity and keep the data well.

Ø It can also be used in monocular the left eye and right eye separately.