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.

How to Measure Your Pupillary Distance Use this step-by-step guide to measure your pupillary distance (PD) by yourself or with the help of a friend. Print PD Ruler

Jun 22, 2020 · I found that online glasses providers have available PD rulers that anyone can download, print, and with the help of a friend or a mirror actually find their PD number.

PD stands for Pupillary Distance, which is the distance between your pupils in millimeters. PD is very important for accurately fitting your lenses to achieve visual acuity.

PD Ruler with Instruction Manual - Pupillary Distance Ruler for Pupil Distance Measuring, PD Measurement Tool for Prescription Eyeglasses, Include Eye Care Tips

Pupillary Distance (PD) is the distance in millimeters between the centers of your pupils. It's a critical measurement used to align the optical center of each lens with your line of sight—ensuring clear, …

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 …