Why Do We Blink Our Eyes?
Blinking is a reflexive, quick closure of the eyelid. An average person blinks once every 10 seconds, 15-20 times in one minute, or 1,200 times per hour. In accumulation, 10% of our waking time is spent on blinking, as it takes around 400 milliseconds. However, the speed of a blink also varies … Read more