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On 01/25/2017 04:05 PM, Bald Eagle wrote:
> "In mesopic vision, eye response varies from the photopic extreme of fully
> light-adapted (m=1) to the scotopic extreme when fully dark-adapted (m=0). Note
> that the eye is far more sensitive to blue light in the dark, making blue light
> look brighter at low light levels. (Courtesy of Teresa Goodman, National
> Physical Laboratory, UK)"
And if our eyes are more sensitive to blue light when dark-adapted, it
must be a marvelous idea to install blue filters over car headlights,
right? Hence, how so many motorists with a naive understanding of how
human vision works are conned into an illegal modification to their
headlights that kills my night vision while simultaneously making their
headlights *less* effective.
(If the people who are blithely unaware of the existence of their dimmer
switch weren't bad enough.)
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