Which is the best eyeglass lens materials ?

1,027 Views Updated: 17 Feb 2016
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Which is the best eyeglass lens materials ?
Here are popular eyeglass lens materials, arranged in order of refractive index and lens thickness. Except for the crown glass, these are all plastic materials. As your opinion which best for our eyes
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Posted by: ksp Posts: (151) Opinions: (408) Points: 17,422 Rank: 2
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