Accurately measures bifocal placement from the pupil to the lowest point on the eyewire.
Great for taking box measurements. Minimizes miscommunication with the lab. Clear plastic with black scale. 7" long.
Rules To Abide By
"A PD rule can be much more than a simple measuring stick. Check out the features on our selection of rules. You will surely find one that makes your dispensing or lab task easier and more accurate. All American made where a 70mm reading on the scale is 70mm in reality."
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