Frequently Asked Questions

Frequently Asked Questions

What is my PD, and how do I get it?

Your pupillary distance (PD) is the distance between your pupils in millimeters, and it allows us to align your prescription perfectly in your lenses, according to the unique position of your eyes. To figure out what your PD is, you can simply:

  1. Print out the PD ruler at 100% without scaling.
    Print PD Ruler

  2. Fold the PD ruler in half along the indicated line.

    PD Ruler
  3. Measure yourself in front of the mirror or have a friend help you.

  4. Place the PD ruler over the bridge of your nose with the 0 above the center of your left pupil.

  5. Look straight ahead and mark the stop on the PD ruler that lines up with the center of your right pupil.

  6. Enter your PD measurement into your prescription
    when you select your glasses.

    Rx Screenshot