If You Shine a Light into One Eye Both Pupils

If you shine a light into one eye both pupils will constrict. The best explanation for this is .

A) information from one eye is directly and immediately transferred to the other eye to maintain alignment of the eyes
B) a small portion of light always enters the other eye
C) sensory input from the retinas of both eyes converges at the optic chiasm and information from each eye is delivered to both the left and right sides of the brain
D) This, in fact, does not occur; information from both eyes is always separated.

Correct Answer:

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