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)
43
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.
The Denver is a classically cool D-frame that is perfect for round faces, tall foreheads, and soft features. The keyhole bridge adds a touch of quirkiness, and is a good match for shorter, wider noses. The flexible spring hinges offer comfortable, durable wear.