Eye doctor won't give you your PD? No problem. This short video tells you how you can get your PD measured at home. All you need is a friend or a mirror and a ruler. To download a printable ruler, click here.
What is a single PD or dual PD?
These are two different ways to measure your PD.
A single PD would be provided by one number and is the measurement of the center of one pupil to the center of the other. An average range of adult PDs is between 54 and 74 mm. An average range of a child’s PD is between 43 and 58 mm.
A dual PD would be provided with two numbers and would appear and is the measurement of each pupil center to the center of the bridge of the nose, in millimeters. Dual PD appears in the following format: "27/29".