A slow abduction of the eyes followed by rapid abduction. Convergence nystagmus is the same one seen in dorsal midbrain syndrome, where the eyes shake in and out during convergence. Lesions in the ventral midbrain prevent the eye's upward and downward movement.
 

Also Known As

  • Convergence Retraction Nystagmus
  • Convergence Tremor of Elschnig