Dot the Pupils On Your Lenses

Mark your lenses in few seconds and maximize lens replacement success.

LensDirect
Written by LensDirect.com
Published: May 10, 2022 ยท 2 min read
glasses with a dot on the lenses

How to Dot the Pupils On Your Lenses

Simple: your PD, or pupillary distance, is how much space you can find between the centers of your two pupils. Take a look around and youโ€™ll notice that no two faces are alike.

Eyeglass Lens Dotting
Sunglass Lens Dotting

Measure your PD

While you are here - let's measure your Pupillary Distance (PD).

Option 1 | Recommended

PD Calculator

Use a smartphone camera or computer webcam to help calculate your PD, this can be done anywhere.

Option 2

PD Ruler

While we recommend using the PD calculator, you can also do this. Just print, and you can measure your own PD.

Download PD Ruler