- All glasses have standardised points of measurement, please see the diagram below that shows what these measurements mean. The 3 points of measurement in the standard order shown on this site and on all glasses are lens diameter, bridge width and frame side length.
- If you already have a pair of glasses, you can compare the dimensions shown on the inside of the arm of your glasses with those you wish to purchase.
- The Bridge Width and Side Length will determine how well your glasses fit. The Lens Diameter is a matter of preference depending on the style you are looking for.
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