Measure Pupillary Distance Online App. Knowing this number means we can make sure you’re always looking through the correct part of the lens, and we can’t actually make your glasses until we’ve got your unique pd. Automatic, quick and accurate pupillary distance measurement on iphone x+ devices.
How to measure your pd: Pupillary distance (or pd) refers to the distance between your two pupils. Rest the ruler on the bridge of your nose with the 0 millimeter mark centered with your left pupil.make sure to look straight ahead as your friend measures the distance from the center of your left pupil to the center of your right pupil.
#1 top ranked app on google play for measuring pupillary distance.
Before using our pd tool, review the steps below. Rest the ruler on the bridge of your nose with the 0 millimeter mark centered with your left pupil.make sure to look straight ahead as your friend measures the distance from the center of your left pupil to the center of your right pupil. How can i use a pupillary distance app? You'll need a ruler that measures in millimeters.