Size guide
Three numbers decide whether a frame fits.
Reading the numbers
Printed inside the temple arm you will find something like 52-18-140 — lens width, bridge width and temple length, all in millimetres.
Picking a size
If your current glasses fit well, match those numbers within 2mm and you will be comfortable.
- Small: lens width under 50mm
- Medium: 50-54mm
- Large: 55mm and above