http://ideas.eyeconx.net/story.php?title=why-do-you-blink Why do you blink?? Blinking lubricates your eyes. When you blink, you close your eyes for 0.3 seconds. You blink every 2 to 10 seconds, for a total of 30 minutes daily. Wed, 08 Jun 2011 14:37:35 EDT en