Compared to the traditional PD ruler, the digital eye PD meter offers the convenience of obtaining PD data within a few seconds without requiring a light pen.

Small size, the net weight is only 200g.
Simple and efficient measurement method
Digital PD ruler uses 23A12V battery, easy to replace at the backside.
Power off automatically by lying it down after operation; while power on automatically when picking it up

A clear light source ensures precise measurements. The measurement results are displayed digitally, with separate values for the left eye and right eye. The measuring operation is easy and rapid. The device has an auto power-off feature after the measuring operation is finished. This pupillary distance meter allows for both monocular and binocular measurements.

The pupil distance meter is a measuring instrument used to measure the distance between the two pupils of the human eye during optometry.

This pupillary distance and height tester is made up of a high-quality ABS material that can withstand various external factors. It is compact and portable, making it easy to use in various locations. The device works by measuring pupil height and distance. Accurate results could be got quickly and efficiently.