Suppose you are walking to the movie theater on a bright sunny day.Once you enter the dark theater,you nearly trip over your feet because you cannot see a thing.After you find a seat,you watch the movie for about thirty minutes and then decide to head to the lobby for some popcorn.When you stand up,you realize that you can see much more clearly than before.This example best illustrates ____.

Question

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The example given best illustrates dark adaptation, which is the process by which the eyes adjust to darkness after being exposed to light. When entering the dark theater, the eyes need time to adjust to the low levels of light. However, after watching the movie for some time, the eyes become more sensitive to the darkness and therefore can see more clearly when standing up to leave. A) Blind spot refers to the point in the retina where there are no photoreceptor cells. B) Ocular accommodation refers to the ability of the eyes to focus on objects at different distances. D) Opponent-process theory is a theory of color vision that suggests that certain color combinations are "opponent" and cannot be perceived together.

Suppose You Are Walking to the Movie Theater on a Bright