Size Guide: 55 □ 19 - 138

Lens Width (A): 55mm

Lens Height (B): 35mm

Bridge (C): 19mm

Frame Front (D): 146mm

Temple Length: 138mm

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.