Opticampare

Measure your PD at home.

Most online glasses shops ask for your pupillary distance. Take one selfie holding a bank card to your forehead and read it off here. The photo never leaves your device.

Works from a selfieNothing uploadedFree
  1. Take a straight-on selfie holding a bank or ID card flat against your forehead. Look at the camera, not the screen.
  2. Tap the left edge of the card.
  3. Tap the right edge of the card.
  4. Tap the centre of one pupil.
  5. Tap the centre of the other pupil.

– mm

Adult PD is usually between 54 and 74 mm. Measure twice; if the results differ by more than 2 mm, try another photo.