This guide will walk you through
- What each measurement means
- How to measure them
- Why it's important
Understanding Glasses Measurements
Every pair of glasses has three numbers printed on inside leg.
The format is ## □ ## - ### (for example: 56 □ 18 - 150)
These numbers represent the frame's key measurements in millimeters:
- Lens Width: 56 mm
- Bridge Width: 18 mm
- Temple Length: 150 mm
What do each of these numbers mean?
1. Lens Width: 56 mm
- What it means: This is the horizontal width of each lens at its widest point.
- How to measure: Use a ruler to measure the widest part of the lens.
- Why it’s important: The lens width is important for finding out the width of the frame.
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2. Bridge Width: 18 mm
- What it means: The distance between the two lenses, the part that fits your nose.
- How to measure: Measure the distance between the innermost edges of the lenses.
- Why it’s important: A properly sized bridge ensures that the glasses sit comfortably on your nose without slipping or pinching.
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3. Temple Length: 150 mm
- What it means: The length of the arm pieces that extend from the frame to behind your ears.
- How to measure: Measure from the hinge to the tip that rests behind your ear.
- Why it’s important: Temple length determines how securely the glasses stay on your face.
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Additional measurements that are critical to know
4. Full Width of the Eyeglasses
- What it means: The total horizontal measurement from outer edge to outer edge.
- How to measure: Measure across the entire front of the glasses from one end to the other.
- Why it’s important: The absolute full width of the frame.
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5. Lens Height
- What it means: This is the vertical height of the lens, measured at its tallest point.
- How to measure: Measure the height from the bottom to the top edge of the lens.
- Why it’s important: Lens height influences the proportionality of the frame to your face.
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For every model, we list the sizes on the "Measurements" tab on the product page.
By understanding what these numbers mean and how to measure them, you can confidently select a pair that fits perfectly.
