Printable Pd Ruler - Or scan with your mobile device's camera. Do not use ‘scaling’ or ‘fit’ setting. Fold printout along the dotted line. Close your right eye and align the ruler’s zero to the center of your left pupil. 3 look in a mirror or find a friend. This is the exact size that your pd ruler should be (don’t scale it up or down when you go to print). Knowing how to use a pd ruler at home will ensure that your prescription is correct. Scroll to the bottom for usage disclaimer. Scroll down for printing and usage instructions. Stand 8 inches (20 cm) away from a mirror or a friend.
Close your right eye and align the ruler’s zero to the center of your left pupil. 3 look in a mirror or find a friend. Knowing how to use a pd ruler at home will ensure that your prescription is correct. Web free printable pd (pupillary distance) ruler. Print this page at 100% size using the no scaling setting. Fold printout along the dotted line. Print pd ruler at 100% size. Scroll down for printing and usage instructions. Or scan with your mobile device's camera. Read on from the top for the story behind the ruler: Measure your pupillary distance accurately with this free pd ruler. 100% 2 fold fold along the dotted line at the bottom of the page. Stand 8 inches (20 cm) away from a mirror or a friend. Place & hold the pd ruler against your brow. Print setting should be ‘actual size’. Do not use ‘scaling’ or ‘fit’ setting. This is the exact size that your pd ruler should be (don’t scale it up or down when you go to print). Click here to download the printable pd ruler (includes instructions) (pdf) A printable pd ruler is a great way to measure your pupillary distance. Scroll to the bottom for usage disclaimer.