How to Read Eyewear Frame Measurements: Frame Size, Bridge and Temple Length Explained
April 13, 2026
If you’ve ever turned a pair of glasses over and noticed a string of numbers on the inside of the arm something like 52 17–140, you’ve seen eyewear frame measurements. For most people, those numbers are a complete mystery. Once you understand what they mean, however, choosing the right eyewear frames online becomes significantly easier. […]
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