Figure 2From: Nystagmus as an early ocular alteration in Machado-Joseph disease (MJD/SCA3) Neurological features of MJD patients, such as age at onset (N = 86), disease duration (N = 81) and symptomatology (N = 68). Cerebellar dysfunction was observed in all patients and therefore they were distinguished also by dysfunction in other systems: mostly corticospinal, mostly extrapyramidal or mostly peripheral signs.Back to article page