How you can find out your PD -

Measure your Pupil Distance

 

Get the Best way to  Measure Your Pupil Distance

Pupillary Distance (PD):

Pupillary distance is the distance between the center of one pupil to the center of the other. It is measured in millimeters. The normal range for PD is 54mm-68mm in adults.  Your PD is required to align the center of focus of the lenses in your frame with the centers of your pupils. So, PD measurement is necessary to make glasses. An accurate PD is must for strong prescription glasses.

Just keep ready the followings :  a mirror, pencil and ruler to measure your own PD.

The Steps to measure your own PD are as follows:

 

pupil distance PD

1. Facing the mirror, place the ruler on the bridge of your nose, bringing the start of the ruler directly below the center of one eye’s pupil.

2. Looking straight into the mirror, hold the ruler (keeping it steady and parallel to the floor!) and mark the location on the ruler of the other eye’s pupil.

3. Measure the distance in millimeters between the two marks. This is your PD.

4. Repeat this process a couple of times to ensure you have an accurate measurement.