article_snippet.sent: , the better protected your eyes are from sweat and other particles.
article_snippet.sent: Eyelashes, too, are important for keeping dust out of eyes, as well as helping them stay moist. '
article_snippet.sent: them redirect air flow over the eye lid and keep the eye lid out of the eyeball, stopping the eye lid drying out,' explains Professor Tobin.
article_snippet.sent: A recent study from the Georgia Institute of Technology in the U.S. found that if they are any longer than a third of the width of your eye, they'll actually increase the air flow around the eye and have a drying effect.