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To: Toliph

No, the lenses generally are molded in blue polycarbonate or a higher-refractive index plastic. A blue lense or filter passes the bluish part of the spectrum; a filter-for blue filter absorbs or reflects it.

Shooting glasses (which appear amber) filter out blue light while these special-purpose medical glasses appear blue and pass blue.


35 posted on 09/12/2016 7:02:11 PM PDT by steve86 (Prophecies of Maelmhaedhoc O'Morgair (Latin form: Malachy))
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To: steve86

z1 lenses are blue in transmission because they absorb everything but blue. Hillary’s glasses are blue in reflection, meaning they reflect blue and would pass yellow.


36 posted on 09/12/2016 9:20:12 PM PDT by Toliph
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