![]() ![]() ![]() Crizal Prevencia is proven to deflect harmful Blue-Violet Light by 20%.AMD is a major cause of severe vision loss and legal blindness in adults over 60-having a family history can increase your chances of developing AMD.Ĭrizal Prevencia is designed to selectively filter out harmful light while letting beneficial light pass through:.UV Light is not only a major risk factor for many skin diseases, but is also a risk factor for eye diseases, including cataract.Multi-coated lenses incorporate a combination of coatings – anti-reflection, scratch-resistant, water repellent and UV blocking – to provide ultimate protection for your lenses and ensure optimum performance of your spectacles.Įssilor’s Crizal Prevencia is the first preventive lens offering selective protection from harmful blue light and UV rays. Instead they have a graduated section in which the power of the lens progresses smoothly from one prescription to the other, allowing the wearer to see clearly at all distances. Varifocal lenses, or progressive lenses, are also used for correcting presbyopia but, unlike bifocal lenses, have no visible dividing lines between the different corrections. Although varifocals are generally preferred to bifocals, certain prescriptions and lifestyles are better corrected using a bifocal lens. This is the condition that tends to occur with age when the eyes become less able to focus at close distances, meaning two different prescriptions are needed. The most common use for bifocals is for correcting presbyopia. Using intuitive photochromic technology, the lenses adjust from ultra clear indoors or at night, to dark when outside, so your eyes feel more comfortable and less tired.īifocal lenses contain two optical corrections with a distinct dividing line between the two parts. Eyecode measures your individual eye rotation centre so that we can digitally manufacture your spectacle lenses to work better for you, giving you precise vision at all times.Īnother popular lens option offered by Eyesite is the Transitions lens which can take the strain off your eyes by automatically regulating the light that reaches it. As lenses are traditionally manufactured to give optimum vision when looking straight ahead, your vision may not be as sharp when you look sideways or down. ![]() ![]() Thanks to a unique, breakthrough technology called Eyecode, Eyesite can offer you spectacle lenses that are an astonishing five times more precise than before. The lens material will also influence the thickness and weight of your lenses, as will the size and shape of the spectacle frame you choose. Spectacle lenses used to be made of glass but most lenses are now lightweight plastic and there’s a wide range of materials available to suit your prescription and lifestyle. The simplest form of spectacle or contact lens is the single-vision lens, made to a single prescription to correct a particular eyesight problem. The curvature of the lens, its thickness and weight will depend on the amount of long or short sight it’s designed to correct. ![]()
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