Eyewear Frame Sizes: My Complete Guide
Understanding eyewear frame sizes transformed how I shop for glasses. What once seemed confusing now makes perfect sense.
The Universal Sizing System
All eyewear uses the same three-number system:
- First number – Lens width (48-60mm typically)
- Second number – Bridge width (14-24mm typically)
- Third number – Temple length (135-150mm typically)
How I Determine My Size
I measure my face width and use this formula:
- My face width: 140mm
- Ideal frame width: 135-140mm
- Lens width: About 52-54mm
- Bridge: 18mm
- Temples: 140mm
Size Categories
Most eyewear falls into these ranges:
- Small/Narrow: Total width under 130mm
- Medium/Average: 130-140mm
- Large/Wide: Over 140mm
My Shopping Strategy
- Know my measurements
- Check frame dimensions before buying
- Read reviews about fit
- Stick to my size range
Understanding eyewear sizing made shopping efficient and ensured every pair I buy fits properly.
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