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.
 | How To Avoid Nausea When Running |
 | 5 Reasons To Never Fear Getting Fired |
 | The Importance Of Being The Author Of Your Own Ambitions |
 | 28 Eating Secrets to Help You Lose Weight (and Save Money Too!) |
