The Reichert PDM Digital PD Meter utilizes the latest technology for measuring interpupillary distance and right/left pupil-to-nose distance. The PDM's ergonomic design, smooth action, and user-friendly LCD screen enable fast and precise PD measurements.

Features:

Easy and Accurate Operation

Obtaining accurate inerpupillary measurements with the PDM is easy. Operators simply align the measuring lines to the Purkinje images on the patient's corneas. Measurement data can be obtained for a single eye, or both eyes, and results are accurate to within 0.5 mm. 

Ergonomic Design

The PDM is ergonomically designed to be easy to hold and measure at the same time, while the forehead bar fits the patient's forehead comfortably. The PDM controls operate smoothly and are easy to adjust.

Long Battery Life

The PDM automatically switches off after one minute of inactivity to ensure long battery life. In addition, the patient fixation target is illuminated by a low-power LED, further extending battery life and ensuring virtually maintenance-free operation.

Reichert Quality

The Reichert name ensures a high quality, reliable instrument that you can count on every time.

For more detail: http://www.reichert.com/product_details.cfm?pcId=407&skuId=3013&skuTk=1043466096#.UX442KJHIqN