Normally: I am guessing that you yourself are color deficient in some way. We define the spectrum of what is seen by the "normal" as normal color vision. Such a person can make distinctions between colored objects that you will not find possible. This can be demonstrated to you but unfortunately since you lack that ability, it will not have great significance for you.
Answered 3/2/2014
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4 doctors weighed in across 2 answers
A doctor has provided 1 answer
A doctor has provided 1 answer
4 doctors weighed in across 2 answers
A doctor has provided 1 answer
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