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nystagmus definition

nys·tag·mus (ni stagməs)

noun

an involuntary, rapid movement of the eyeball, usually from side to side

Etymology: ModL < Gr nystagmos, drowsiness < nystazein, to be sleepy < IE base *sneud-, to sleep

Related Forms:

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Alternate definitions:
nystagmus Usage Examples

Adjective modifier

  • optokinetic: The presence of optokinetic nystagmus may not exclude loss of vision due to brain injury.

Converse of object

  • have: Glasses will not stop you having nystagmus nor are they a cure.

Preposition: in

  • childhood: Nystagmus in early childhood may be caused by a defect in the eye or the visual pathway from the eye to the brain.

Converse of subject

  • affect: On the other hand there are many sports which are not particularly affected by nystagmus.

Noun used with modifier

  • early-onset: Infants with early-onset nystagmus are not at any special risk for neurological disease later in life.
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"nystagmus." Webster's New World College Dictionary. 2009

  • Your Dictionary. 4 July 2009
  • <www.yourdictionary.com/nystagmus>

APA Style

nystagmus. (2009). In Webster's New World College Dictionary

  • Retrieved July 4th, 2009, from www.yourdictionary.com/nystagmus

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