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Home » About Us » Help Center » Pupillary Distance (PD) help » What is pupillary distance (PD)?

What is pupillary distance (PD)?

by globalopticalshop.com at 7/22/2010 11:05:31 AM

Your pupillary distance, or PD, is the distance between the centers of your pupils in millimeters (mm).

This measurement is necessary to ensure the correct positioning of your lenses within the frame you have chosen.

  • Most adult PD's are between 54-70
  • Most children's PD's are between 41-55
  • This information has been read 4932 Times,  without comment.

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