PD Meter: Pupillary Distance

Estimate pupillary distance in mm with a selfie, card and manual PD markers

Estimate your pupillary distance with PD Meter using a front-camera selfie and a standard 85.6 mm card. Mark the photo yourself to see an approximate PD in millimeters, then review what the number means before discussing glasses measurements with an optician.HOW THE PHOTO MEASUREMENT WORKSRest a bank card or credit-card-sized ID flat against your cheekbones, just below the eyes. If your nose tilts the card, place it…