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When a person enters a dark room from bright light he is not able to see clearly for a little while because the?

AEye is unable to adjust itself immediately
BRetina becomes insensitive momentarily
CIris is unable to dilate the pupil immediately
DDistance between the lens and retina take time to adjust

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FPSCNTSCSSPPSC

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Answer and explanation

Correct Answer: C: Iris is unable to dilate the pupil immediately

Explanation: The correct answer is C: The iris is unable to dilate the pupil immediately. When entering a dark room, a person cannot see clearly because the iris is unable to dilate the pupil immediately. The iris takes time to open the pupil wider to let in more light.

When a person enters a dark room from bright light he is not able t...