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What’s in a Frame?

Your Frame by the Numbers

Look on the inside of the temples on your current pair of glasses: see the little numbers stamped there? That’s your frame size, a string of three measurements (in mm) like this:


  • - The first measurement corresponds to the frame’s eye size—that is, the horizontal width of each rim.
  • - The second measurement indicates the opening at the top of the bridge, where the frame rests against the nose.
  • - The third measurement is the overall temple length.

All EYEFLY frames are labeled with their size. While your current frame size will help as a guide to your next style, there is no “perfect size” that’s guaranteed to look good on your face.