Difference between revisions of Pupillary Distance
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=Near PD= | =Near PD= | ||
Because your eyes [[converge]] to look at things close to you, your PD is going to be smaller when doing [[near work]] than for [[distance vision]]. If you're buying [[differentials]] or [[reading glasses]] your near PD should be used. | Because your eyes [[converge]] to look at things close to you, your PD is going to be smaller when doing [[near work]] than for [[distance vision]]. If you're buying [[differentials]] or [[reading glasses]] your near PD should be used. | ||
[[Category:Articles]] | |||
Revision as of 14:26, 8 June 2020
Pupillary Distance the distance between your pupil centers. This measurement is important when ordering glasses to make sure you are looking through the optical centers of your lenses. If you have glasses made by an optician they may take additional measurements, but those require the frame to be on your face, and standard values are used by online glasses suppliers for those measurements. (Which is fine for most people, but may be a source of discomfort for some.)
Near PD
Because your eyes converge to look at things close to you, your PD is going to be smaller when doing near work than for distance vision. If you're buying differentials or reading glasses your near PD should be used.