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Aspheric Lenses

Until recently, you could be forgiven for thinking that the only difference between spectacle lenses was the prescription, but in the past few years this has changed.

Thanks to state-of-the-art optical technology, the new types of Aspheric lenses offer three major benefits for people with strong prescription lenses.

1. They are Light.

Aspheric lenses usually weigh about 25% less than normal prescription lenses. This means that spectacles with aspheric lenses are more comfortable to wear. People can also wear larger frames than previously allowed by their prescription.

2. They are Thinner.

Aspheric lenses are at least 25% thinner than normal prescription lenses. This means that the lenses have a better cosmetic appearance. In fact, the stronger your prescription, the more noticeable the change will be. Again, People can use these thin and light lenses in frames which would otherwise be unsuitable for their prescriptions.

3. Less Distortions.

It is often the case that people who require strong prescriptions, find that they have a small degree of distortion in there peripheral vision. Although this is not completely removed by aspheric lenses, the distortions are greatly reduced. In fact unwanted magnifications are often reduced by more than 30% with an aspheric design.

When Aspheric lenses were first introduced, they where mainly used for people with enormous prescriptions, and at the time they were very expensive. Today, however, it is possible to get Aspherics for relatively low presriptions, and they are now very inexpensive, often only costing £10-£30 more than standard lenses.

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