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How do I find the frame size of my Ray-Ban sunglasses and eyeglasses?

This guide explains how to choose the right sunglasses or optical glasses size, either by the size of the lens or by looking at your current shades.*

*This guide is effective for Ray-Ban Aviator sizes, Ray-Ban Wayfarer sizes, Ray-Ban Clubmaster sizes and all Ray-Ban models.

Important note: for the great majority of people – more than 90% of our customers – Standard Size offers the correct fit. It is very likely the correct size for you too.

If this is your first pair of Ray-Ban, the following rule of thumb will help you determine the correct size for you.



Take a credit card

This is the approximate width of a Standard Size lens.


Stand in front of the mirror

In front of a mirror or a webcam, at the centre of your nose. place one edge of the credit card Where does the other edge end?


If note touches the end of the eye

If the edge of the credit card ends at the end of the eye, Standard Size is the correct fit for you
If it extends well beyond the end of the eye, you need the Small Size
If, instead, the credit card does not reach the end of the eye, you should go for a Large Size.

What do the numbers on my glasses/sunglasses frames mean?

If you have an old pair of Ray-Ban and you want to know what the numbers printed inside the temples mean, here is an explanation.

The measurements don’t need to be exact, they change from model to model, but the closer they are to those of your old glasses, the more similar the new ones will look on your face.

Ray-ban sunglasses frame size


Most of our sunglasses and eyeglasses have the size measurement printed on the inside of the left temple (the piece that goes behind your ear). This usually consists of three numbers – sometimes only the first two are printed – for example: 50 20 150.
The third number in the sequence represents the temple length; it is the measurement in millimetres of the 'arms' of the frame.

Ray-ban sunglasses frame size



Ray-ban sunglasses lens diameter


The first number in the sequence refers to the width of the lens (50-20-150).
The front measurement includes the diameter of the lens and the width of the bridge, measured in millimetres and usually separated by a small dash or rectangle (e.g.: 50 - 20).
The lens diameter is the width of the lens, measured from the bridge, and the width of the bridge is the distance between the lenses above the nose, as shown in the figure below. Sometimes, the vertical measurement of the lens and the length of the arms are also included.

Ray-ban sunglasses lens diameter


Ray-ban sunglasses bridge width


The second number in the sequence refers to the bridge width (50-20-150). Typical widths are 12-26 millimetres. The bridge measurement is the distance between the lenses.

 Ray-ban sunglasses bridge width



If you need help choosing your perfect sunglasses or optical glasses, please contact us, we'd love to help you choose the best fit and the right style.

Browse our selection of men's and women's optical glasses and men's and women's sunglasses. You can even customise your own.


You can cancel this order within one hour after purchase online.Call us on 08003767955 if you have an issue with your order.


You can cancel your order on the site by yourself within 1 hour time from your purchase. After this time, the order will be handled by our systems and cancellation will not be available anymore. Do not hesitate to contact Ray-Ban Customer Care if you need further information.


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To access your vision insurance, please fill in either your personal details or plan information.
For getting a reimbursement with insurance providers other than EyeMed, print and submit your receipt.
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