How to Measure Your P.D.:

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PD stands for pupillary distance and it's the distance between the pupils of your eyes. To ensure your lenses give you the best vision possible, the eyeglasses lab needs to know the distance between your pupils, or PD.

Online Tool video Measure with a friend video Measure by yourself video

Facts About P.D.

An average PD measurement is about 62mm for women and 64mm for men. For children the measurement usually ranges from 41 to 55 mm.

With Our Online Tool

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With a Friend's Help

  1. You'll need a ruler that measures in millimeters.
  2. Rest the ruler on the bridge of your nose with the 0 millimeter mark centered with your left pupil. Make sure to look straight ahead as your friend measures the distance from the center of your left pupil to the center of your right pupil.
  3. Now you have your pupil distance measurement. Make sure your friend is viewing the measurement from the same height as your eyes and repeat the steps 2 or 3 times to ensure you have an accurate measurement.

By Yourself in a Mirror

  1. All you need is a mirror and a ruler that measures in millimeters. Once you're ready, face the mirror and hold the ruler up against the bridge of your nose.
  2. Look straight ahead and align the 0 millimeter mark with the center of your left pupil. Measure the distance from the center of your left pupil to the center of your right pupil.
  3. Now you have your pupil distance measurement. You should repeat these steps 2 or 3 times to ensure you have an accurate measurement, and remember to look straight ahead.

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