Is PD value accurate?

The result of PD Measurement is very accurrate and consistant.

For 7 peoples out of 10  you will reach an accuracy < 1 mm


Repartion of the PD values on uncontroled people study :

  • ±1 mm for 7 measure out of 10
  • ±2 mm for 96% cases


Respecting guidelines give you the best chances to reach the best accuracy possible