Lens Width
The horizontal diameter of one lens, usually between 40 mm and 62 mm.
Expert Guide
Finding Your
Perfect Fit.
Precision is at the heart of what we do. Use our professional sizing guide to ensure your frames feel as good as they look.
Frame Anatomy
The three key numbers—usually printed inside your temple arm—are the secret to a consistent fit.
Bridge Width
The distance between the two lenses, essential for comfortable nose fit.
Temple Length
The length of the arms from hinge to tip, commonly 135–150 mm.
How to Measure
Use one of these simple methods to estimate your size at home.
The Credit Card Method
Place the edge of a standard card under your nose, reaching toward your eye. Its position offers a useful starting estimate.
- Edge ends at eye corner: Medium fit
- Edge extends beyond eye: Small fit
- Edge stops before eye: Large fit
Mirror & Ruler
Measure straight across your face from temple to temple and compare the result with the frame table below.
Video Consultation
Not sure? Book a five-minute fitting conversation with our optical team.
Book NowReference Table
Use these standard industry ranges as a general guide.
| Size Category | Total Width | Typical Lens Width | Best For |
|---|---|---|---|
| Small | 125–129 mm | 44–48 mm | Narrow facial structures |
| Medium | 130–134 mm | 49–52 mm | Standard adult fit |
| Large | 135–139 mm | 53–55 mm | Wider facial structures |
| Extra Large | 140+ mm | 56+ mm | Oversized or very broad fit |
Still unsure about your size?
Visit us for a professional fitting session with our optical specialists.