PD Meter and PH meter CP-9Technical Data Measure PD height and PD distance. Method : wear glasses and adjust the left and right knobs to obtain the pupil height . this is also an indispensable tool for progressive multifocal spectacle fitting .
Ophthalmic Clinic Equipment
Glasses Laboratory Equipments
Optical Lens And Frame
NO.18 South of Xiangqiao Road of Nanjing ,China 0086-13675174098 0086-25-58575880 email@example.com redsunoptical 0086-13675174098