Originally Posted by
DanK
I have never read that people lose the ability to differentiate color with age, but many do experience a shift in hue, although they might not realize it. I've heard this from people who get cataract surgery--they describe vision in the repaired eye as "whiter" or "less yellow"--and a friend who is an optometrist said this is common. Not surprisingly, given how our brains process color temperature, the people who said this to me had no inkling before this that their color vision had shifted gradually because of the cataract.