Pupil distance measurements

Single-vision and/or progressive lenses

How to Measure Your Pupillary Distance?

What is the pupillary distance?

Pupillary distance refers to the distance between your two eyes. More specifically, it consists of two half-distances, measured from the bridge of your nose (center of your face) to the center of each pupil. The right half-distance combined with the left half-distance makes up your total pupillary distance.

When fitting eyeglasses, it’s necessary to know both half-spacings (right and left) to ensure a proper fit and guarantee absolute comfort for the wearer.

Pupillary distance measurements

How do you determine your pupil distances?

Single-vision lenses and progressive lenses

Photo of your prescription with EP

The measurements may appear on your prescription labeled “Ep,” “Ec,” “EOD,” and/or “EOG.” Otherwise, during your eye exam, ask your ophthalmologist to take the measurement and note it on your prescription.

Using a credit card

Send us a photo of your face by placing a credit card on your forehead and focusing on an object about 5 m away, to contact@mymonture.com.

With your old glasses

Send us your old eyeglasses: we’ll take the measurement for you.

Or measure them yourself

With your smartphone or a simple ruler

Do you have an iPhone?

Download the PDCheck AR app from the App Store.

PDCheck AR

Do you have an Android?

Download the GlassesOn app from Google Play.

GlassesOn

With a ruler

Send us a photo of your face by placing a ruler on your eyebrows and focusing on an object about 5 m away, to contact@mymonture.com.

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