Pupillometer EPD-1800

The ability to consistently take PD measurements is a requirement for modern-day optical dispensing. Thanks to Ezer’s quality-designed EPD-1800 you and your staff will save time and enjoy more accurate prescripciones.
The EPD-1800 efficiently measures the distance between the visual axes of the two eyes. Good PD measurements are essential for proper optical alignment and binocular vision. With the EPD-1800 you will enjoy wide range measurement capabilities, digital read and LED—all in a lightweight device that is accurate, consistent and easy to use.

User Manual 360

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More Reliable than Millimeter Rule

It takes a tremendous amount of skill to accurately and consistently perform PDs by millimeter rule. A nasal cut for monocular PDs and a penlight to highlight the corneal reflex are all required and depend upon very good technique. On the other hand, pupillometers minimize errors, require less skill, are faster and reduce variability.

Wide Range Measurements

The EPD-1800 offers ease of use along with accuracy when measuring pupil distance. Now your staff can consistently measure binocular and monocular pupillary distance (PD). The measuring range is an impressive 45mm to 82mm binocular and 22.5mm to 41mm monocular.

pupillometer epd-1800 ezer

Digital Read

This easy to use corneal reflection alignment system features digital high accuracy linear sensors to provide you with precise, reliable measurements resulting in the most accurate spectacle prescriptions.

Adjustable LED

The EPD-1800 features LED that operators can conveniently adjust according to brightness preference.


With Ezer’s EPD-1800 you can set automatic power-off time to extend battery life.

Additional information

Effective Range of Measurement

Binocular Pupillary Distance: 1.8 ~ 3.22 in
Left or Right Pupillary distance: 0.88 ~ 1.6 in

Absolute value of indicated error

≤ 0.19 in

Absolute Value Of Asymmetrical Error

≤ 0.19 in

Absolute Value of Rounding Error

≤ 0.19 in

Distance of Target

12 in ~ ∞

Power Source

Voltage: DC 3.7V
Specification: AA battery
Quantity: 1 pieces

Time for Automatic Shut-off

About 0.5 minute after stopping operation, or turn it off manually.


8.7(L) x 6.6(W) x 2.44(H) in


1.17 lb


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