How Fast Is Eyelash Movement?

Your eyelashes move at about 2 metres per second during a blink. The whole motion completes in 100-150 milliseconds — fast enough to protect your eyes from debris without significantly interrupting your vision.

You blink roughly 20,000 times every day — about 10% of your waking hours spent with eyes closed.

• Same pace as a housefly
• A full blink takes 100-150 ms