Size = lens width – bridge – temple length, in mm (e.g. 50-23-145). Lens width is the number to match with your current frames.
Eyewear Size Guide
Understanding your eyewear measurements ensures a proper, comfortable fit. Most frames list their measurements inside the arm in this format:
50 ▢ 18 – 140
Lens Width ▢ Bridge Width – Temple Length (all in millimeters)
Eyeglass Measurement Breakdown
| Measurement | Description | Typical Range |
|---|---|---|
| Lens Width | Horizontal width of one lens | 48–55 mm |
| Bridge Width | Distance between the lenses | 16–22 mm |
| Temple Length | Length of the arm piece | 135–150 mm |
| Lens Height | Vertical height of the lens (important for sunglasses) | 30–45 mm |
| Frame Width | Total width across the front of the frame | 120–145 mm |
General Fit Recommendations
| Size | Lens Width | Bridge | Temple | Best For |
|---|---|---|---|---|
| Small | Under 49 mm | 16–18 mm | 135–140 mm | Narrow faces |
| Medium | 50–54 mm | 17–20 mm | 140–145 mm | Most adults |
| Large | 55-59 mm | 18–22 mm | 145–150 mm | Wider faces |
| Oversize | Over 60 mm | 18–22 mm | 145–150 mm | Wider faces |
If you need help selecting the perfect frame size, our team is always happy to assist.
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Description
Montblanc MB0179O Eyeglasses feature Italian acetate frames combining durability and comfort with a modern, refined design.
The square/rectangle shape provides a clean, professional look and a precise fit for extended wear.
Selected by Beverly Hills Eyewear, these frames showcase quality materials and skilled European craftsmanship.
Montblanc MB0179O Acetate Square/Rectangle Men's Optical Frames
Style Name: MB0179O
Designer: Montblanc
Gender: Men's
Frame Style: Square/Rectangle
Frame Material: Acetate
Country of Origin: Italy
Description
Montblanc MB0179O Eyeglasses feature Italian acetate frames combining durability and comfort with a modern, refined design.
The square/rectangle shape provides a clean, professional look and a precise fit for extended wear.
Selected by Beverly Hills Eyewear, these frames showcase quality materials and skilled European craftsmanship.
Montblanc MB0179O Acetate Square/Rectangle Men's Optical Frames
Style Name: MB0179O
Designer: Montblanc
Gender: Men's
Frame Style: Square/Rectangle
Frame Material: Acetate
Country of Origin: Italy