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A Printable PD ruler is a great way to measure your pupillary distance. Knowing how to use a PD ruler at home will ensure that your prescription is correct.
Use this step-by-step guide to measure your pupillary distance (PD) by yourself or with the help of a friend. Print PD ruler at 100% size. Do not use ‘scaling’ or ‘fit’ setting. Print setting should be ‘actual size’. Fold printout along the dotted line. Stand 8 inches (20 cm) away from a mirror or a friend.
This ruler is a free tool to measure your PD, with instructions for measuring your Distance PD (your PD when looking at a distant object, which is a few mm larger than when you are looking at a close-up object), both for a Single PD and for a Dual PD, whether measured in a mirror or with the assistance of a friend. Your Distance PD is the ...
Pupillary distance (PD) measures the distance between the centers of your pupils and is used to center a prescription lens accurately in your frames. Your optician will usually measure your PD or you can use our digital PD ruler to measure it quickly online.
Using a physical PD ruler to measure your Pupillary Distance for glasses. PD is the distance between the center of one pupil to the center of the other. The average PD is 54 to 78mm.
Measuring pupillary distance could be summarized in as few as two simple steps: grabbing a ruler that shows millimeters (or an alternative online tool) and carefully measuring the distance between the centers of your pupils.
Measure this paper against a ruler to assure printout is accurate. Most adults have a PD between 54 - 74mm. Most children have a PD between 43 - 54mm. Take a few measure-ments for consistency.