- Eyeglasses often come in a variety of sizes (most sunglasses come in one size)
- Higher numbers equal larger frames
- Frame size measurements are always in millimeters
- Measurements usually appear on the inside of the temple, sometimes on the inside of the bridge
- Frame size is often a personal preference and most frame sizes accommodate the average head.
- If needed, adjustments for a comfortable custom fit can be made by any optical store in your area.
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