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Old 06-28-2010, 07:04 PM
ZenBeam ZenBeam is offline
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Originally Posted by beowulff View Post
The human eye exhibits a fairly large chromatic aberration, meaning that when red is in focus, blue is out of focus. This might help to explain why blue is harder to resolve
If this is the case, I would expect near-sighted to have problems with one of either red or blue, and far-sighted people to have problems with the other.

FWIW, I'm a little near-sighted, and have noticed problems focusing blue lights at night.