H55 - Nystagmus and other irregular eye movements
H55.0 - Nystagmus
H55.00 - Unspecified nystagmus
H55.01 - Congenital nystagmus
H55.02 - Latent nystagmus
H55.03 - Visual deprivation nystagmus
H55.04 - Dissociated nystagmus
H55.09 - Other forms of nystagmus
H55.8 - Other irregular eye movements
H55.81 - Saccadic eye movements
H55.89 - Other irregular eye movements