Size Guide: 46 □ 21 - 139

Lens Width (A): 46mm

Lens Height (B): 38mm

Bridge (C): 21mm

Frame Front (D): 138mm

Temple Length: 139mm

To identify the right glasses size, you can use a ruler to measure the total width of your current frame. The suitable width of the frame should be +/-4mm from the size of your current glasses.