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Living in a Digital World

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The human eye evolved under very different circumstances than those we live in today. Most people use their eyes for a vast number of close tasks every day: reading, close work and ever increasingly, tablets, televisions, computers and smartphones.

Many people are not aware that these screens are back-illuminated, that is, they emit light. Furthermore, this light is different in composition to natural or even artificial light, in particular the percentage of blue light is much higher. While blue light is part of the natural spectrum computer and TV screens are a powerful source. Excessive exposed to blue light can cause red and irritated eyes, headaches and fatigue.

Light is also an important signal your body uses to regulate its natural sleep cycle. The light spectrum from the sun changes throughout the day naturally and your body uses this to regulate its rhythm and to wind down your body to rest at night. Concentrated blue light, especially in the late evening (for example, caused by working late or watching TV just before you sleep) can confuse your body producing sleeplessness. Your eyes send signals to your body that it is daytime, waking you up!

It’s difficult to change your lifestyle and it seems like digital screens may become more and more part of our lives. But if you have to use computers a lot in your life and you already wear spectacles, you might consider some of the new lens coatings available. These coatings have two important effects. They neutralise blue light proving more comfortable vision as well as more natural colour perception when you are using digital devices.

How To Care For Your Glasses

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When fitting and prescribing lenses we take great care. A multifocal lens is very complex, with a number of different prescriptions included in the same lens. To achieve this affect they are carefully ground. When fitting lenses we analyse many factors to ensure good vision as lenses must not only be cut perfectly but sit perfectly in a frame on your face to ensure optimum results. That’s why we choose frames that suit your face, but also your visual needs. That’s why we adjust your glasses!

We select high quality frames that are unlikely to deteriorate over time, but sometimes old frames don’t fit so well and sometimes you may bend your glasses or sit on them by accident! If your frames don’t sit in the right position on your face they can be uncomfortable to wear but also, they can have serious impact on your vision.

We understand it’s not always convenient to visit the optometrist and get your glasses adjusted so what can you do yourself to ensure you are getting the best results from your spectacles?

Firstly, always clean your glasses correctly. We provide free cleaning cloths with every pair of glasses we dispense. These cloths are specifically designed to clean lenses without scratching them or damaging lens coatings. (They also work very well for cleaning computer screens!)

Secondly, don’t wear your glasses on your head! Frames are designed to sit on your nose and can be bent out of shape if you always rest them on your head. Equally, don’t bend them yourself. Frames bend to some extent for durability and to fit individuals but they should be adjusted by professionals. You may make a problem worse or even break your glasses if you  try to bend them yourself.

Another tip: be careful where you leave your glasses when you take them off. If you can, put them in the case we provide (this is very important if you are putting them in your pocket or bag – you will scratch them like this!). If you aren’t using you case make sure the lenses are face-up.

We understand that accidents happen! So if you have a problem and are worried your glasses may be damaged or you notice a change in vision, give us a call. If you want to drop-in we happily adjust your glasses for optimum comfort and vision free of charge.

We can also professionally clean your glasses (both lenses and frame) as well as repair any wear and tear – missing screws or damaged or missing nose pads.

 

 

Dry Eye

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