Ataxia-intellectual disability-oculomotor apraxia-cerebellar cysts syndrome is a rare neuro-ophthalmological disease characterized by nonprogressive cerebellar ataxia, delayed motor and language development, and intellectual disability in addition to ophthalmological abnormalities (e.g. oculomotor apraxia, strabismus, amblyopia, retinal dystrophy, and myopia). Cerebellar cysts, cerebellar dysplasia and cerebellar vermis hypoplasia, seen on magnetic resonance imaging, are also characteristic of the disease. The disease is Monarch Disease Ontology entry MONDO_0014419 (ataxia - intellectual disability - oculomotor apraxia - cerebellar cysts syndrome). Also known as: Poretti-Boltshauser syndrome.