The pupillary distance is the distance between the center of each pupil, it is measured using a ruler or a corneal reflection pupillometer . This measure varies in the youngest to become stable in adulthood.

Since September 18, 2014 following the Hamon law , ophthalmologists are obliged to take and write the value of your pupillary distance on your prescription. If your doctor forgets, do not hesitate to remind him.

You can add this measurement in the " comments for the seller " tab of your cart. By default, all our glasses are fitted according to the average values ​​of pupillary distances for near vision: 62 mm for men and 59 mm for women.


If you do not know this data, several solutions are available to you:

  • You can measure your pupillary distance with an app through your phone. For example, EyeMeasure for Apple devices or Live PD calculator on Google Play. There are several, it's up to you to choose the one that suits you best.
  • You can find it on an old optical invoice generally in the form of ½ deviation:

½ DE and ½ EG , as follows:

pupillary distance

  • You can send us an old pair of glasses that we will return to you with your order.
  • You can send us a photo of you, taken with a ruler, a card format CB or even better with our ruler card to download .

pupillary distancefalse pupil distance

Procedure :

Print the ruler card and cut it out (even coarsely) along the dotted lines (after cutting, it should be approximately 8.5 x 5.5 cm) or proceed in the same way with a credit card, vital card, etc.

Ask someone around you to take a picture of you about 40 cm from the lens if possible with the flash.

Stay upright, look in front of you at eye level, keeping your head straight.

Be careful not to look to the sides, up, down or put an eye forward...

Placing the ruler card:

  • horizontally
  • above your eyes at the eyebrow line
  • flat without following the curve of your forehead

Ask the person taking your picture to stand in front of you with the lens at your eye level.

pupillary distance plug

If in doubt, take several photos and send us the clearest one with
your name and order number to

And to download your ruler card , click below!

download pupil distance ruler