Measurement Guide (54-17-145)

Most, if not all eyeglasses include the frame measurements inside the temple arm. Frame sizes are described in three parts. The first number is the lens width, the second number the bridge width and the third number is the temple length. These numbers are in mm (millimeters).

1. Lens Width

The horizontal diameter of one lens.

2. Bridge Width

The width of the bridge section.

2. Temple Length

The length of the temple arm, from the front of the frame to the tip.

Visual Guide

Frame Size
SizeLens WidthBridge WidthTemple Length