# What do the numbers on the inside of the frame mean?

> The numbers on the inside of the temple represent the size of the eyewear The first number is the width of the lens The second number is the distance between 

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Last updated: 2025-12-04T19:20:59.673Z

The numbers on the inside of the temple represent the size of the eyewear. The first number is the width of the lens. The second number is the distance between lenses. The last number is the temple length. All measurements are in millimeters (mm).