Seems to be what he is suggesting. So perhaps a small percentage of people (myself included) have increased sensitivity in the S cones to light around 400nm (o

Seems to be what he is suggesting. So perhaps a small percentage of people (myself included) have increased sensitivity in the S cones to light around 400nm (or shorter) ... but normally, the natural lens would filter that out - mine is now gone. http://www.komar.org/faq/colorado-cataract-surgery-crystalens/ultra-violet-color-glow/ http://www.komar.org/faq/colorado-cataract-surgery-crystalen...