Lethal ataxia with deafness and optic atrophy (also known as Arts syndrome) is characterized by intellectual deficit, early-onset hypotonia, ataxia, delayed motor development, hearing impairment and loss of vision due to optic atrophy. The disease is MONDO_0010533 (Arts syndrome). Also known as: ARTS, Arts, Arts syndrome, X-linked recessive, MRXS18, MRXSARTS, fatal X-linked ataxia with deafness and loss of vision, lethal ataxia with deafness and optic atrophy, syndromic X-linked intellectual disability 18.