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)
42
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.
Make a statement with these Hydra glasses from Derek Cardigan. This pair unfolds a unique hybrid of the dazzling D-frame and refined round frame to elevate your sense of style. Made of acetate, the frame front is designed for a lightweight feel, while the temples tips are styled to fit nicely behind your ears. Complemented with metallic temples and complete with spring hinges to enhance durability.
