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Today's demands require spectacles to perform differently, depending on our work and home environments, so lenses can be treated with coatings and special filters to deal with these differing conditions.
It is often said that your eyes are the window to your soul and yet many spectacle wearers still hide their eyes behind glary spectacle lenses!
This can easily be overcome by anti-reflection lens coatings which prevent unsightly glare and so enhance the way you look when wearing spectacles.
Anti-reflection coatings also play an important practical role in our lives and help eliminate annoying lens reflections caused by the likes of TV and computer screens, car headlights and reading lights.
Indeed modern coating technology allows virtually all light to be transmitted through the lens, whereas un-coated lenses typically reflect 8-9% of all light which can make quite a difference especially, for example, when driving at night.
These lenses, known as photochromatic, automatically darken as the day brightens to give you comfortable, glare free vision all day long. They are especially useful for those leading an indoor/outdoor lifestyle and for those sensitive to bright lights. Modern light-sensitive lenses also give a high degree of UV protection.
Not knowing that they can purchase sunglasses with prescription lenses, many spectacle wearers revert to plain sunglasses when the sun comes out. Not only does this effect their vision but it can be dangerous, indeed illegal, when driving your car, for example..
For those with an eye for detail, fashion tints are very popular. Available as a fixed or graduated tint, lenses can be supplied in almost all colours.