Measure Your Pupil Distance

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How To Find the Pupillary Distance of Eyes?

The Pupillary Distance (PD) is the width between your pupils. This measurement is crucial when requesting an order to buy specs. For example, when placing eyewear orders online, the customer should bring their exact pupillary distance measurements.


For a more in-depth explanation to find your pupillary measurements, visit You can also calculate your Pupillary Distance (PD) by doing the following:

1. Install the Calibration Line from our site.

2. Print it out and put it on your forehead

3. Take a picture of yourself with the calibration line on your forehead. Make sure that you seem are centered in the image

4. Upload your image to your report on our site and receive your results!

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