PD-140 PD meter

FEATURES：
 

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