High Impact-resistant Polycarbonate Lens

Polycarbonate lens is lens made of the special polycarbonate plastic

. According to Wiki definition, polycarbonates are a particular group of thermoplastic polymers, which can be easily worked, molded. Now polycarbonate is widely used in modern chemical industry. One of the popular fields is the polycarbonate lenses.

Polycarbonate lens is made of durable material and has high impact resistance. The material is also laminated to make bullet-resistant windows. A defect of polycarbonate lenses is that they have low scratch resistance, so that most of the lenses are applied with a hard coating. And in fact, most of the polycarbonate lenses come with a factory-applied, scratch resistant coating. Polycarbonate lens can work in wider temperature range than lenses made of common plastic. In fact, the widely referred CR-39 plastic lens is just a specific polycarbonate lens, which has received a good reputation, through its good optical and mechanical properties. Polycarbonate lenses are also thinner and lighter than traditional plastic lenses.

Thanks to its special properties, polycarbonate lens is an excellent choice for children glasses, sports glasses and safety glasses. For childrens eyeglasses, the top priority should be given to vision safety. polycarbonate lenses provide the highest degree of protection since they are cracking and shattering resistant. While you choose polycarbonate lens for sports, a proper sports frame is also needed. Regular eyewear frame can not hold up to the impact of a ball or racquet.

Usually, opticians typically charge $20 to $75 more for a pair of polycarbonate lenses than those made of glass or resin plastic. Polycarbonate lens has drawbacks. It may create slight distortion of peripheral vision in strong prescription lenses. Polycarbonate lens also can not be applied to progressive lenses.

Related Articles:

Advantages of polycarbonate eyeglasses

Polycarbonate lenses for children

by: MarkBurnsy

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