Description
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) |
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