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What is the difference on the types of lens materials?

April 26, 2017difference Lens Materials types

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What is the difference on the types of lens materials?

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While glass is cheaper it is prone to break and is also heavy. Plastic, being lighter, offers an advantage. It is impact resistant and it is recommended for children, people with active lifestyle and having high power. For those who have to wear glasses constantly, plastic lenses are advisable.