pupillometer PD meter GD8403A
GD8403A equipped with high quality imported Optical & PCB system
PD & VD tester available
PD Meter GD8405T
PD Meter
PD meter GD8403T
Auto calculation near vision PD
Digital PD ruler GD8407
GD8407 PD Ruler
Pupil Distance Meter(PD Meter) GD8403B
Battery powered PD meter
PD Meter GD8405
PD Meter
