: Align the long edge horizontally with your eye line. Determine your size :
: The card edge extends past the outer corner of your eye. buy sunglasses by size
: The card edge aligns exactly with the outer corner of your eye. : Align the long edge horizontally with your eye line
Most sunglasses list three key numbers in millimeters (e.g., 52-18-140) on the inside of the temple arm: Sunglasses and Eyeglasses Size Guide - Mia Burton buy sunglasses by size