About this item

• 【Simple and accurate】PD Meter is a precision optical instrument used to measure distance between pupils in the process of optometry for spectacles. Compared with those printable rulers, our digital PD meter adopts high precision sensor and advanced intelligent electronic system to display the measurement results digitally, which is intuitive, accurate and easy to operate
• 【Multifunctional】Our PD measurement tool features auto power-off within about 1 minute after the operation and memory function ( you can review the unrecorded data), enable to save the power and not to lose the data
• 【30cm to ∞ adjustable vision distance】The 9C pupil distance meter is equipped with a adjustable distance knob, suitable for different measured the distance of the distance. Can set 30cm, 40cm, 50cm, 65cm, 1m, 2m, ∞ and other different vision distance gears
• 【Monocular measurement available】This PD measurement tool for eyes can be used in monocular measuring the left eye and right eye separately, and the measuring values are displayed separately
• In the case of accessories that are not consumable or damaged by humans, we will provide customers with a new one as a replacement.