occurs in has participant quality has disease treated with drug PHENYTOIN VIGABATRIN EAST syndrome Adult nystagmus AE 10029864 眼球震颤 CTCAE:E12748 WEB: http://en.wikipedia.org/wiki/Nystagmus JX, LW, YH NCIt:C3282 Nystagmus AE is an eye AE that is a condition of involuntary eye movement, acquired in infancy or later in life, that may result in reduced or limited vision. Due to the involuntary movement of the eye, it is often called "dancing eyes". eye AE AE severity G2 AE severity G3