voluntary nystagmus


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.

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