Well firstly, what is pupillary distance (PD)? Essentially, it’s the length, in mm, between the centre of your pupils (the middle bit of your eyes).
Your PD is an important part of your glasses prescription that makes sure the center of your eyes are lined up with the best spot in your lenses for clear vision. We’ll need this measurement if you’re buying your specs online.
Finding your Pupillary Distance
If you’d like to measure your PD yourself you can download our PD measuring tool with instructions below. Once printed why not have a look through our step-by-step guide below.