Pupillary distance (PD) measures the distance between the centers of your pupils. This measurement is used to determine where you look through the lens of your glasses and should be as accurate as possible. The average adult’s PD is between 54-74 mm; kids’ are between 43-58 mm. Your eye doctor will usually measure your PD during an eye exam. However, if it was not given to you, the below 5 steps will help you measure it yourself.
Stand 8 meters away from a mirror.
Hold a ruler against your brow.
Close your right eye, then align the ruler’s 0 mm with the center of your left pupil.
Look straight, then close your left eye and open your right eye.
The mm line that lines up to the center of your right pupil is your PD.
Check out the graphic below for more information and to learn how your friend can help you measure your PD.
Armed with your PD and prescription, you can shop at Muunel to find your perfect pair of eyewear.
Measures the distance between the centers of your pupils. This measurement is used to determine where you look through your glasses’ lens and should be as accurate as possible. The average adult’s PD is between 54-74 mm.
Pupillary distance between the center of one pupil to the other can be a distance PD or near PD. Distance PD can be used to order any type of prescription glasses except reading glasses. Dual PD is usually written in the following notation: 32/30. The first number is always the right eye (OD) measurement, and the second is the left eye (OS).
OS and OD are Latin words that stand for Oculus Sinister and Oculus Dexter, respectively. These terms are often written on your eye prescription. OD refers to the right eye, and OS refers to the left eye.
The sphere tells you how strong your eye prescription needs to be in terms of eyewear.
Axis is used to represent the measure of astigmatism, and the numbers written under the cylinder mean how much power is needed to correct astigmatism.
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