Size Guide: 50 □ 19 - 142

Lens Width (A): 50mm

Lens Height (B): 38mm

Bridge (C): 19mm

Frame Front (D): 141mm

Temple Length: 142mm

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.