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    Interesting thread from the dead. To what...

    Interesting thread from the dead.

    To what degree can best fit base curves be "ignored" in SVFF design? Could you create an "inverse" lens with convex side toward the eye and concave side facing...
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    I received a Conant UV++ sample kit the other...

    I received a Conant UV++ sample kit the other week. The lenses have, unsurprisingly, a noticeable color cast when placed on a piece of paper. However, as mentioned previously, the cast is comparable...
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    Thanks, Fester. I look forward to being here. ...

    Thanks, Fester. I look forward to being here.

    Short wave blue. I think basically interchangeable with high energy visible light (HEV) in the 400-500nm range. Actually, I like the term HEV better...
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    As far as I understand it, TheraBlue, UV++, et...

    As far as I understand it, TheraBlue, UV++, et al. heavily attenuate in the lower SWB regions that are harder to visualize, say 400-420nm, at which point attenuation exponentially climbs to zero...
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