familial isolated deficiency of vitamin E (MONDO_0010188, a Monarch Disease Ontology identifier) can be described as follows. Ataxia with vitamin E deficiency (AVED) is a neurodegenerative disease belonging to the inherited cerebellar ataxias. It is mainly characterized by progressive spino-cerebellar ataxia, loss of proprioception, areflexia, and is associated with a marked deficiency in vitamin E. Also known as: AVED, Ataxia with Vitamin E Deficiency, Friedreich-like ataxia, ataxia with isolated vitamin E deficiency, familial isolated deficiency of vitamin type E, familial isolated vitamin E deficiency, isolated vitamin E deficiency.