How to Measure Your PD At Home

Use this step-by-step guide to measure your pupillary distance (PD) by
yourself or with the help of a friend.

Having A Friend Measure
Your PD

If a friend is measuring your PD, keep both eyes open and have your friend put the zero on the millimeter ruler over the center of one pupil, then measure the distance to the center of the other pupil.

•

Have them crouch/sit while you stand so they are out of your field of vision.

•

Look above his/her head at something approximately 10-20 ft. away.

•

Keep your eyes as still as possible.

•

Do not look at the person measuring!

How To Find Your PD
Measurement With A Ruler

Step One

Put on glasses. Have a felt tip
marker handy!

Step Two

See yourself in the mirror

Step Three

Mark on your right lens directly
over the object

Step Four

Mark over the object on your
left lens.

Step Five

Measure the distance between the two dots with a millimeter ruler.

Attached with the package
is a pd ruler

PUPILLARY DISTANCE (PD) measures the distance between the centers of your pupils. This measurement is used to
determine where you look through the lens of your glasses and should be as accurate as possible.

Fold Along The Dotted Line

This is the exact size that your PD ruler should be (don't scale it up or down when you go to print).

Preview printable ruler

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