Buying Glasses Online? (Check out our 9 Top Tips)

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What is your PD measurement?

Your pupillary distance, is the measurement between the centres of your pupils. This measurement is important to  ensure that the optical centre of your prescription lens, will be inline with the optical centre of your eye. This gives the purest natural image, free from any distortion.

Don’t worry if this was not given to you at your eye test, it is a simple measurement to take, and once you have this and your prescription, you will have everything you need to shop at GTTM for your perfect pair of glasses.

 

How to choose your frame size

Look at your current eyeglasses. On the  inside of the arm, you will see a set of numbers which will look like : 56  18  135.  This information is the size of your eyeglasses frame where 56 is the lens size, 18 is the bridge width over your nose, and 135 is the side length, all measured in millimetres.

How to buy your prescription glasses online

Using the internet to shop for prescription eyeglasses, from the comfort of your own home can be very convenient, take your time, shop when you want, without any pushy sales pitch.

You will be choosing prescription eyeglasses, and lenses of the exact same quality, if not better than the high street, knowing your price savings will be massive, up to £200 if not greater.

Which glasses shape suits you the best?

There are quite a few different face shapes, but they all are variations on two main types, round and square.

As a guide, pick the opposite shape of glasses to your face. So, if you have a square face, choose round frames, and if a round face, choose square frames.

This is a good starting point for frame suitability.

Which is the best colour to suit your face?

Warmer skin tones will suit warmer colours, such as brown, tortoiseshell, warm red, copper.

Cooler skin tones will suit cooler colours like silver, blue.

Black is a  universal colour, so will suit most skin tones.

A lot of our frames have blended colours, which help  to highlight eye shading and overall look.

How to read your prescription.

When looking at a glasses prescription for the first time, things look very complicated, because there are lots of different numbers etc. Also, prescription layout will be different, depending on where you had your test and which form they have used.

But, if you have had a free NHS test, then it is a universal form which all opticians use.

No matter what your prescription looks like, they will all contain the same information relating to your eyes.

 

Which lenses are the best for me?

Very Important question!

Firstly, what do you want the lenses to achieve?

Do you need single vision only?

Would you like bifocals or varifocals?

How strong is your prescription?

Will you need lenses which are thinner than the standard?

Would you like lenses which react in the sun and become sunglasses?

Would you like lenses which protect you while using the computer?

Metal vs acetate. Pros and Cons.

Most glasses, if not all, are made using either metal or acetate.

There are pros and cons with both, but we will explain what each one offers, and which would be the best choice for you.

Generally, metal frames are lighter and more robust, but can cause pressure marks on the nose, and some people can allergic to some of the metals used.

Plastic frames can be more comfortable, and offer lots of different colours. They are better for stronger prescriptions, as they can distribute the weight of the lenses better.