Shin Nippon PD-82

• LED lamp eliminates troublesome lamp replacement and extends battery life as much as 3 or 4 times longer than our older model.
• Lever action becomes smoother by using linear sensor.
• Results are displayed digitally. Three measurements are given : right . left and right + left.
• Measurement can be made for a single eye or for both eyes.
• Possible to measure PD from infinity to 30 cm. near vision continously.
• Automatically switches off one minute after operation is completed.
• Distance from tops of cornea to lenses of frames can also be measured.