original passage: In cerebral achromatopsia, a person cannot perceive colors even though the eyes are capable of distinguishing them. Some sources do not consider these to be true color blindness, because the failure is of perception, not of vision. They are forms of visual agnosia.
original sentence: In cerebral achromatopsia, a person cannot perceive colors even though the eyes are capable of distinguishing them.
sentence2: Would a person with cerebral achromatopsia be likely to say that the sky was a particularly lovely shade of blue today?
sentence1: In cerebral achromatopsia, a person perceives apparent colors even though the eyes cannot distinguish them. Most sources consider this to be true color blindness, even though the individuals with the condition insist that they see colors. It is a form of visual agnosia.