Eyewear Guide
What Is Pupillary Distance (PD) and Why Does It Matter?
Pupillary distance, usually shortened to PD, is the distance between the centres of your two pupils, measured in millimetres. It tells the lens maker exactly where...
Pupillary distance, usually shortened to PD, is the distance between the centres of your two pupils, measured in millimetres. It tells the lens maker exactly where...