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