Corneal reflex

Rarity: Common

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Notion

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Science and technology

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What Wikipedia says

The corneal reflex, also known as the blink reflex or eyelid reflex, is an involuntary blinking of the eyelids elicited by stimulation of the cornea (such as by touching or by a foreign body), though it could result from any peripheral stimulus.

Excerpt from the Wikipedia article “Corneal reflex”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Lichaamstaal at Dutch Wikipedia, CC BY-SA 3.0, via Wikimedia Commons.