Frame size is determined by the three key measurements found inside the frame arm: lens width (from 31-60mm), bridge width (from 12-31mm), and arm length (from 115-155mm).
Your lens height (mm)
36
Lens height is essential for multifocal prescriptions, such as Progressives, which require a minimum measurement of 28-30mm. They are also recommended for Rx sunglasses.
For a universal rectangular shape that will never go out of style, look no further than the Derek Cardigan Parker. These glasses will flatter rounded jawlines and soft features, and will sit comfortably on medium faces. These polished acetate specs also come equipped with spring hinges for added durability.
