Size Guide

Choosing the right glasses size is essential for your comfort and style. Here we explain how to find the perfect measurements for you.

Glasses measurements are printed on the inside of the temple arm. You'll typically see three numbers separated by dashes, for example: 52-18-140.

• First number (52): Lens width in millimeters.
• Second number (18): Bridge width in millimeters.
• Third number (140): Temple length in millimeters.

This is the horizontal measurement of each lens. It typically ranges from 40 mm to 62 mm. A larger lens width provides more visual coverage.

This is the distance between both lenses, where the frame rests on your nose. Common values: between 14 mm and 24 mm. If the bridge is too narrow, the glasses will pinch; if too wide, they'll slide.

This is the length of the side arms that extend behind your ears. The most common values are 135, 140, and 145 mm.

Another useful measurement is the total width of the front of the frame. As a reference:

• Narrow: less than 129 mm
• Medium: 130–139 mm
• Wide: more than 140 mm

You can measure the width of your current glasses by placing them on a ruler and measuring from end to end across the front.

• If you already have glasses that fit well, use their measurements as a reference.
• The lenses should fully cover your eyes without extending beyond the sides.
• The bridge should rest comfortably on your nose without pressing or sliding.
• The temples should reach behind your ears without squeezing.

If you have questions about what size to choose, our team of professional opticians will be happy to advise you. Contact us at info@gafascanarias.com or call us at +34 922 63 46 15.