GlassesOn is the world’s #1 ranked app for measuring PD (Pupillary Distance).

We are developing the most accurate and easy-to-use app to measure and extract your PD.

In less than a minute, you can scan your glasses and extract your full PD and Rx details, including sphere (power), cylinder (astigmatism), axis, and PD (pupillary distance).

Our premium version offers higher quality scans and an easier way to get your details.

It is designed to work for anyone, including children, and for both eyes.

No need to purchase an eye exam.

No need for any other tools.

No manual adjustments needed.

No mirror or ruler needed.

It's FREE to use and to extract your glasses parameters.