You can easily found the size of frame by looking on the inside of your eyeglass temples (arm pieces). Below you'll find a quick guide to helping you identify your eyeglasses.
Lens Width & Frame Size
Frame Size | Eyeglasses | Sunglasses |
Small | Below 48 mm | Below 55mm |
Medium | 48 mm- 55 mm | 56 mm- 64 mm |
Large | Above 55 mm | Above 64 mm |
2. Simplest method: -