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How often does the human eye blink?

Find out how often the human eye blinks per second, day and year.

Blinking clears foreign substances from the eye and keeps it moist. [©Shutterstock, 2010]
©Shutterstock, 2010
Blinking clears foreign substances from the eye and keeps it moist.

The human eye blinks at varying rates, but on the average the eye blinks once every five seconds or 17,000 times each day or 6 1/4 million times a year.

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