Sunglasses « Helen Walsh Opticians

By: Helen Walsh Opticians  05/12/2011
Keywords: Prescription, lenses, sunglasses

Sunglasses « Helen Walsh Opticians

All our sunglasses either with or without your prescription are guaranteed to fully protect your eyes from harmful UV rays. When buying sunglasses it is important not just to choose a pair that make a fashion statement, but have good quality lenses too. This will ensure you do not get headaches due to the distortions often found in some poorer quality lenses. You will be able to choose from a wide range of custom-made prescription sunglasses, as well as non-prescription sunglasses from a range of manufacturers in standard, full UV tints and polarised versions.

Photochromic lenses are special lenses that change tint precisely when needed. ‘Transitions’ lenses react quickly to every situation, sunlight or shade, indoors or outdoors. They are virtually clear indoors and can rapidly change to a stylish tint outdoors to give protection against harmful glare. They provide 100% protection from UVA and UVB radiation. They are available in a choice of brown or grey tints. They are really convenient when going in and outdoors to save you having to swap spectacles with sunglasses. However, they do not work as well inside a car due to the car windows absorbing the rays which activate the lenses.

Polarising lenses go a step further than conventional sunglasses as they not only filter the harmful effect of bright sunshine but they filter out strong reflected light.
Drivers can find that the reflected glare from the road surface is eliminated. Anglers can cut through the surface glare on water to see the fish below.

Many sports take place outdoors it is important to ensure that you protect your eyes from sunlight, wind, dust and water. At the same time you need to make sure your visual performance is not restricted, and if possible enhanced by specialist eyewear.

Keywords: lenses, Prescription, sunglasses

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You will be able to choose from a wide range of custom-made prescription sunglasses, as well as non-prescription sunglasses from a range of manufacturers in standard, full UV tints and polarised versions. This technology enables high definition digital photographs to be taken of the retina, the delicate light sensitive lining, inside the eye and the smallest changes can be compared over time.