<prompt> Which of the following best defines the Saccade-Voluntary slow eye movementsInvoluntary slow eye movementAbrupt, involuntary slow eye movementsAbrupt, involuntary rapid eye movements  <response>: Saccades are sudden, jerky conjugate eye movements that occur as the gaze shifts from one object to another. Supranuclear eye movement systems include : Saccadic system Smooth pursuit system Vergence system Vestibular system Optokinetic sysytem Position maintenance system Ref;A.K.Khurana;6th edition; Page no: 341 