About this item

• 1. AA batteries are not included according to policy, please understand.
• 2. To power on, press and hold the power button for 3 seconds (be sure to hold for 2 seconds).
• 【Sight distance 30CM-200CM adjustable】 This function is used to measure the interpupillary distance of patients at different sight distances. , Digital Pupilometer If you wear glasses for office, adjust to normal eye distance for measurement. It can also be used in the production and sales of multifocal progressive lenses.
• 【MEASURING ACCURACY】±0.1/0.2/0.5mm is adjustable: According to the accuracy requirements of the actual glasses, set the measurement step increment, that is, accuracy, instead of fixed 0.5mm, the measurement results are more reliable.
• 【SIMPLE OPERATION & EASY TO USE】 PD merter Turn the powerpower button to turn the instrument on and off or the pupilometer turns off automatically after operation and retain the memory to ensure longer battery life. Parallax is not induced by this system. The nose & forehead bearer, used to stabilize the instrument against the patient’s nose and forehead
• 【Simple and Accurate】 PD Meter is a precision optical instrument used to measure the distance between pupils during optometry of eyeglasses. Compared with those printable rulers, our digital PD meter uses high-precision sensors and an advanced intelligent electronic system to digitally display the measurement results, which is intuitive, accurate and easy to operate.