It is accurate, though I cannot attest to the science.
When I used to sail, I covered the flashlight with a thick red gel sheet to keep my vision. Also as a teenager when astronomy was my passion. I was told that was what I should do to "keep vision."
It sure does work.
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"Well, now, that's true... the IXC is a bit of a chick magnet..but you really can't beat the VIIB for off-road fun."
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