measurement is used to determine where the center of the lens is to
be positioned in front of your pupil when your prescription glasses
recommended you ask your optician or Doctor for your pupillary
distance measurement. Nevertheless it is a simple measurement which
can be taken yourself but for best results we suggest asking a
friend to assist.
steps to taking your PD (pupillary distance) measurement
First remove your
Then have your friend
sit directly opposite you positioned at eye level.
Remaining still, have
your friend cover their right eye and position a millimeter ruler
on the edge of your right pupil.
Next, have them cover
their left eye and record your pupillary distance measurement by
measuring to the same edge on your left pupil.
REPEAT the above steps
to double check
This is your pupillary
PD in the above example is 56mm.
supplying us with your most accurate P.D. measurement will ensure
the most accurate prescription glasses are supplied to you.
printable ruler and instructions ( PDF here)