Could be: The color deficient known as protanopia can have subtle poorish ability to see some colors in the yellow-orange spectrum. Color deficiency is generally not absolute but a lowered sensitivity and there are many subtle different types. You probably know someone whose loss is in this area.
Answered 12/26/2014
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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