Brief closing of the eyelids by involuntary normal periodic closing, as a protective measure, or by voluntary action.

Synonyms: Blink Reflex, Reflexes, Blink, Blink Reflexes, Reflex, Blink, Orbicularis Oculi Reflex, Winking, Orbicularis Oculi Reflexes, Reflex, Corneal, Reflex, Orbicularis Oculi, Blinking, Corneal Reflexes, Reflexes, Orbicularis Oculi