pupillary distance


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pu·pil·lar·y dis·tance

the distance between the center of each pupil; the major reference points in measuring for fitting spectacle frames and lenses.

pu·pil·lar·y dis·tance

(pyū'pi-lār-ē dis'tăns)
The distance between the center of each pupil; the major reference points in measuring for fitting of spectacle frames and lenses.
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References in periodicals archive ?
EFFORTS TO make the recording of pupillary distance (PD) measurements a part of optical prescriptions have been responded to by the GOC.
com, appeared on Radio 4's You and Yours last summer to put the case for pupillary distance measurements being part of the legal requirements for optical prescriptions.
com, appeared on Radio 4's You and Yours on Monday (August 16) to put the case for Pupillary Distance measurements being part of the legal requirements for optical prescriptions.
My constituent presented a detailed argument, suggesting consumers looking to buy corrective eyewear are unfairly restricted by not being provided with their Pupillary Distance.
The new delivery options complement Cyber Imaging's previously introduced patented highly precise measurement module which measures both monocular and binocular pupillary distances to customize every fit every time.