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Glasses Frame Size Guide

Glasses Frame Size Guide

Are you looking for a new pair of glasses? We have over 45 Designer brands you can choose from whether you need sunglasses or optical glasses. Fashion Eyewear is a skilled online optician with a website built to allow you to add your prescription to both the sunglasses and glasses you want. Once you have browsed our website and decided which glasses are for you, choose your colour and size of your frames then select 'add prescription', our simple step by step checkout will follow. We have a wide selection of lens brands you can add to your luxury eyewear, from Essilor, Nikon, Ray-Ban, Maui Jim, Oakley and our standard Fashion Eyewear collection. You can select your own personalised package by choosing one of our top brands or pick the recommended packages put together by our expert opticians for your ease.

When filling in our check out, please make sure you fill in all of the sections and double-check that the information you have entered is correct. When selecting your frame size, some models will offer more than one selection. Pick the one that is closest to your measurements; if you don’t understand what the frame sizes mean, this blog will help you!

Once we receive your prescription and have ordered your lenses, we are unable to take any prescription changes. If you do not notice that your prescription is incorrect until after we have received your order, you may be liable to pay for your new prescription lenses. However, our happy customer service team is always around to help! So give them a call or email if you do notice any drastic details which do need changing.

Where To Find Your Frame Size

If you already have a pair of prescription glasses, you can find your frame size on the inside of the frame arm. Sometimes you can find your frame size on the side of the nose pad. All measurements are in millimetres (mm). Here are some diagrams below to help you visualise this.

When ordering online, you will sometimes find the measurement for the side length. If you don’t see a measurement for the side length, don’t panic.

Most manufacturers have a set length however this can be altered. If you know that you'll need your side length altering, please contact us to speak to our Customer Service team.

How Your Frames Should Fit

The bridge of the frame should sit on your nose bridge without any gaps. If you find that there is a gap between your frame and your nose, you will need to have your glasses adjusted.

Metal Frames: The hinges of the nose pads are easily adjustable however you should leave this to the professionals. Visit your local opticians who can adjust your frames, usually without a charge.

Acetate Frames: With acetate frames, adjusting the nose area is difficult. This is why it is strongly recommended that you visit us or your local opticians to try on the frames before you buy.

If you are still confused and buying glasses for the first time, the simple way to look at the size range is in a small, medium or large. As sizing can vary depending on brand or frame shape, this is the easiest way to get your head around it. If you believe you need a larger frame go for the 54, if you believe you need a small frame size go for the 52. The bigger the number the bigger the size. Remember the size goes on the width of the lens (eye size)!

Now, which frame will you buy? We have over 45 brands for you to choose from, Chanel, Gucci, Dior, Gotti, Christian Roth, Ray-Ban, Oakley and many more

Shop our bestsellers at Fashion Eyewear


Fashion Eyewear is an online optician, therefore you can add your prescription to any of our eyewear whether they are a pair of sunglasses or optical. Simply shop our prescription sunglasses selection or glasses on our website. Choose your favourite frames and click ‘add prescription’. Our simple step by step check out will help guide you through our lens packages, brands and choices. We have every lens type available to fit your needs, whether you need single vision, varifocal, distance or for driving. We also have the best lens brands for you to choose from Essilor, Nikon, Maui Jim, Ray-Ban, Oakley and our own Fashion Eyewear standard packages. After choosing your coatings, add your prescription and use our Fashion Eyewear Pupillary Distance Metre to measure your PD.

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