nystagmus, positional vertigo Symptoms can appear for the first time as late as 65 years old.
[wikidoc.org]
Spontaneous downbeat nystagmus was another consistent feature, and saccadic velocity was within normal limits. [35], [36] In a family initially classified as autosomal dominant
[annalsofian.org]
Tremor Head or Hand: SCA 8, 12, 15-16, 19, 27 Palatal: SCA 20 Normal lifespan: SCA 6, 11 Eye 60 Slow saccades Early/prominent: SCA 2, 7 Late: SCA 1, 3, 28 Very rarely: SCA 6 Nystagmus
[neuromuscular.wustl.edu]