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Choosing the right eyewear can be a complex process. This guide will help you find your best match. All eyewear has different functional and aesthetic characteristics, so we use three pieces of information to determine the following:
If you need help finding the right size, try our Size Advisor:
The size of the frame counts as functional information, which is defined by one principal number:
This information defines the following sizes:
| Hinge to hinge (in) | Hinge to hinge (mm) | Size |
|---|---|---|
| <4.8 | <121 | XXS |
| 4.8-4.9 | 121-124 | XS |
| 4.9-5 | 125-128 | S |
| 5.1-5.2 | 129-132 | M |
| 5.3-5.4 | 133-136 | L |
| 5.4-5.5 | 137-140 | XL |
| >5.5 | >>140 | XXL |
Try our Size Advisor and we'll measure it for you! Or, you can use a ruler to measure the hinge-to-hinge distance of a pair of glasses that you already own.
If you already own a pair of glasses, you’ll find numbers engraved on the inside of the eyewear temple. These numbers indicate the following:
The first number is the model name, followed by the lens width and bridge width.
There is usually a third number that represents the temple length, or the measurement of the "arms" of your frame.
Sometimes there is a fourth number that indicates the lens height.
Each of these numbers is measured in mm.
Fitting is aesthethical information which determines the amount of face coverage for a given size.
The frames shown in the image are all the same size but each one has a different fit.
The three possible fittings are:
The four bridge and nosepads options are:
RAY-BAN
RB3447V Round Metal Optics
Savings
Insurance Saving
Frame Material:
Metal
Frame shape:
Round
Frame color:
Black
Timeless style, authenticity and freedom of expression are the core values of Ray-Ban, a leader in sun and prescription eyewear for generations. Since the introduction of the iconic Aviator model created for the aviators of the United States Army, Ray-Ban has been at the forefront of cultural change, becoming a symbol of self-expression, worn by visionaries all around the world.
Frame size is usually defined by lens width, bridge width and temple length. These values are always displayed in that order, in millimeters.
mm
inch
Lens width ( 47 / 21 / 140 / 44.2 )
Bridge width ( 47 / 21 / 140 / 44.2 )
Lens
height
( 47 / 21 / 140 / 44.2 )
Frame width 120.5
As a reference, you may want to check the size of your current eyewear, by looking at the inner side of the temple. Should you see a fourth number at the end, this refers to lens height (i.e. 47/21/140/44.2).
0RX3447V 47 21 140 44.2
Temple width ( 47 / 21 / 140 / 44.2 )
