has material basis in germline mutation in TIMM8A deafness dystonia syndrome https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/mohr_tranebjaerg_syndrome Mohr-Tranebjaerg syndrome MTS An X-linked recessive neurodegenerative syndrome characterized by clinical manifestations commencing with early childhood onset hearing loss, followed by adolescent onset progressive dystonia or ataxia, visual impairment from early adulthood onwards and dementia from the 4th decade onwards. OMIM:304700 deafness - dystonia - optic neuronopathy syndrome NORD:280622 DDP MEDGEN:162903 DDON syndrome UMLS:C0796074 MONDO:0010578 Deafness-Dystonia-Optic Neuronopathy Syndrome deafness dystonia syndrome deafness-dystonia-optic neuronopathy syndrome ICD9:759.89 deafness-dystonia-optic neuronopathy (DDON) syndrome DOID:0050757 GARD:0008331 Mohr-Tranebjaerg syndrome, X-linked recessive MESH:C535808 SCTID:702423009 MOHR-Tranebjaerg syndrome Orphanet:52368 deafness dystonia optic neuronopathy syndrome (DDON) mitochondrial protein import disorder X-linked syndromic intellectual disability inherited neurodegenerative disorder