voluntary nystagmus


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Related to voluntary nystagmus: Ocular flutter

vol·un·tar·y nys·tag·mus

[MIM*164170]
pendular nystagmus in which the person causes an extremely fine and rapid horizontal oscillation of the eyes. The nystagamus consists of back-to-back saccades and is seldom done for more than a few seconds at a time.
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voluntary nystagmus

A rare type of pendular nystagmus in those who have learned to oscillate their eyes rapidly, usually by extreme convergence.
See also: nystagmus
Medical Dictionary, © 2009 Farlex and Partners
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