Size Guide: 50 □ 23 - 149

Lens Width (A): 50mm

Lens Height (B): 39mm

Bridge (C): 23mm

Frame Front (D): 148mm

Temple Length: 149mm

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.