Pupillary distance (PD) or interpupillary distance (IPD) is the distance measured in millimeters between the centers of the pupils of the eyes. This measurement is different from person to person and also depends on whether they are looking at near objects or far away.

Your IPD is found on your prescription

Scan your Prescription to ask@liliRx.com or fax to 1 (646) 438 9604