★ Eye in Color Vision Quiz
What does the opponent-process theory suggest about color vision?
A. Colors are perceived through the photoreceptive cones only
B. Colors are perceived through a system that uses opposing colors
C. Only one type of cone is activated at a time
D. Colors are not processed in the brain
Preview next quiz:
Which condition is characterized by the inability to see well at night or in poor light?
A. Hyperopia
B. Myopia
C. Astigmatism
D. Night blindness
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