The eyes blink on an average of 17 times per minute, 14,280 times per day and 5.2 million times a y
http://blogdoblink.files.wordpress.com/ Fun fact: you blink more when you’re talking than while you’re reading, We’re not sure about singing though…
People say “in the blink of an eye” because it’s the fastest muscle in the body
http://4.bp.blogspot.com/ A blink usually lasts 100 to 150 milliseconds and it’s possible to blink five times in a second.
You’ll need reading glasses when you’re older
wikimedia.org For around 99% of the population, the age they’ll first need reading glasses is between 43 and 50. This is because the lens in your eye slowly loses its focusing ability with age.
The eye’s lens is quicker than any camera’s
http://harlemworldblog.files.wordpress.com/ Right behind the pupil is the lens, which focuses on objects you look at. Take a moment to look around a room and think about the various distances you’re focusing at. Each time, you do this, your eye’s lens instantly changes focus without you even being aware of it. Compare that with a camera’s lens which takes a few seconds to focus between this distance to the next.
Blinking happens to be an enormously important eye function
http://loveinordinarytime.files.wordpress.com/ Blinking helps remove any debris on your eye’s surface by spreading tears over them. The tears help moisten and lubricate the eyes and they also have important anti-bacterial properties.
