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Polycarbonate lenses set the standard in vision correction. This material is up to ten times more impact resistant than standard plastic and naturally offers 100% UV protection. If you’re interested in trying out this material for your lenses, select 1.59 index lenses for your frames at checkout.
Polycarbonate was initially developed for the aerospace industry and is used for, among other things, astronaut helmet visors; that should tell you all you need to know about polycarbonate lenses’ durability. EyeBuyDirect polycarbonate lenses cost only $18.95.
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1.59 polycarbonate lenses
Our polycarbonate lenses are made with a lens index of 1.59. The index of a lens describes the thickness, with higher numbers indicating a thinner lens. polycarbonate lenses are ideal if you’re looking for a sturdy and lightweight lens, and your prescription is around +/- 3 to 6 diopters.
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High index lenses
Extra high-index lenses are better if your prescription is high, and you don’t want your lenses to be overly thick. If your prescription is over six diopters, choosing high index lenses will keep your glasses lightweight and provide maximum comfort.
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Which type of lens is best for you?
If your prescription is high and you are worried about thick lenses making your eyewear bulky and uncomfortable, high index lenses are the solution. If polycarbonate lenses are available for your prescription, they are an excellent choice for a little extra durability and in-built UV protection.