Fitting Guide

Lens:

The lens diameter is the width of the lens measured from the bridge to the outer edge of the glass.

Bridge:

Bridge width is the gap above your nose between the lenses. Too tight and the glasses may pinch, too loose and the glasses may slip.

Arm:

The length of arm is usually 3 standards, 135mm, 140mm or 145mm and the arm should be long enough to fit over your ears.

All measurements are in millimeters( mm).