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EntityQ1044679· pop 26· linked from 54 articles

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Commons category
Blinking
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~9 min read

Article

13 sections
Contents
  • Function and anatomy
  • Central nervous system's control
  • Evolutionary origins
  • Types of blinking
  • Spontaneous blink
  • Reflex blink
  • Voluntary blink
  • Blinking in everyday life
  • Children
  • Adults
  • See also
  • References
  • External links

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Blinking is a bodily function; it is a semi-autonomic rapid closing of the eyelid. A single blink is determined by the forceful closing of the eyelid or inactivation of the levator palpebrae superioris and the activation of the palpebral portion of the orbicularis oculi, not the full open and close. It is an essential function of the eye that helps spread tears across and remove irritants from the surface of the cornea and conjunctiva.

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