Braun
- Size
Medium 51-18-140 Guide
- Color
- Tortoise Brown
- SKU ID
- 730-001
Eyeglass Frame Size Guide
It is fundamental to know the measurement of your frame before you buy eyeglasses. Don't worry, we will help you out to find your best fit.
Understand Frame Measurement
Do you already have a pair of glasses handy? Check the inner side of the temples, you will find 3 different numbers. Example: 52-17-136, the first number indicates lens width, the middle number indicates bridge width while the last number indicates the temple size. In case there is a fourth number, it will indicate the lens height.
Frame Dimension
- Lens width: 40 mm - 60 mm
- Bridge width / Nose bridge: 14 mm - 24 mm
- Temple arm / Temple size: 120 mm - 150 mm
In case, you are measuring in inches: 25.4 mm = 1 inch
Sizing Information for Perfect Fitting Frame
The frame size can be calculated with the help of eye size / lens width. Usually the size is divided into S (small), M (medium) and L (large).
40 mm - 50 mm 
51 mm - 54 mm 
Above 55 mm
The acetate see-through eyeglass is lightweight and trendy while the abstract design on the temples is simply flattering. Anyone who wears this style of glass is sure to stand apart.
Why shop on Frames buy?
Product Reviews
Genuinely a little nervous at first Forwarding an expensive frame and to an unknown service provider rnThe result perfectly fitted lenses rnGreat result
Received the frames in a short international shipping time The frames are wonderful and very stylish They fit greatrn
ThinOptics glasses and case were thin enough to allow my wireless charger to work on my iPhone They fit well and are very handy
Thank you Framesbuy I am very pleased with my new glasses The look fit shape is exactly what I wanted My eyes just need to adjust to the progressive lensesrnTimeframe from placing order to receiving order was only 9 days Will recommend to family friends and buy again
