noun. 1  a. An old French dance resembling the gavotte, usually in 3/4 or 2/2 time beginning with an upbeat. 2  A movement in ballet in which the dancer transfers body weight quickly from foot to foot, usually on the balls of the feet, in a series of small steps.
Nystagmus is a condition where the eyes make repetitive movements. The eyes can jerk exclusively in one direction, or make back and forth movements. With nystagmus, the eye can look jittery and can affect both eyes or just one eye.
Depending on the cause, these movements may be in both eyes or in just one eye. The term dancing eyes has been used to describe nystagmus. Back and forth eye movements; Involuntary eye movements; Rapid eye movements from side to side; Uncontrolled eye movements; Eye movements - uncontrollable.