FASCINATING FACTS
Even small noises cause the pupils of the eyes to dilate, which is why surgeons and those who perform delicate manual operations are so bothered by uninvited noise. The sound causes their pupils to change focus and blur their vision.
Even small noises cause the pupils of the eyes to dilate, which is why surgeons and those who perform delicate manual operations are so bothered by uninvited noise. The sound causes their pupils to change focus and blur their vision.
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