High Quality Digital PD Meter Optometry Pupilometer
The PD Meter is a digital precision optical instrument used to measure distance between human pupils in the process of optometry for fitting spectacles.
Volume
|
25*21*10CM
|
Unit G.W
|
1kg
|
Eyes distance
|
45-82mm
|
Left and right eye pupil distance
|
22.5-41mm
|
Electric Voltage
|
DC 3V(2pcs 5# AA battery)
|
Reviews
There are no reviews yet.