corneal reflex
Americannoun
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Physiology. the closing of the eyelids induced by touching the cornea lightly.
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Ophthalmology. the reflection of a keratoscope, as Placido's disk, on the surface of the cornea.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A specialized reflex to protect the surface of the eye is the corneal reflex, or the eye blink reflex.
From Textbooks • Jun. 19, 2013
The corneal reflex is contraction of the orbicularis oculi muscle to blink the eyelid when something touches the surface of the eye.
From Textbooks • Jun. 19, 2013
The patient was then taken back to the ward and the corneal reflex was noticed as being present.
From Scientific American Supplement, No. 1157, March 5, 1898 by Various
Even in states of complete relaxation the eyes move in unison, the pupils react to light, and almost universally the corneal reflex is present.
From Benign Stupors A Study of a New Manic-Depressive Reaction Type by MacCurdy, John T. (John Thompson)
Until the corneal reflex is abolished, the surgeon does not begin to operate, for sensibility remains.
From An Ethical Problem Or, Sidelights upon Scientific Experimentation on Man and Animals by Leffingwell, Albert
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
