Feature

●Plastic PD meter/PD Ruler
●It is a very good promotional item and perfect for hospital, pharmaceutical or medical supplies
●Material: PVC
●Size: Approx. 21 x 5 x 0.7cm/8.26*1.96*0.27" (L*W*T)
●Measure pupil distance


Description

Size for manual measurement, there may be a 0 to 2 cm error, belongs to the normal phenomenon. And due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!