DO_rare_slim NCIthesaurus has material basis in Usher syndrome autosomal dominant disease retinitis pigmentosa-deafness syndrome SNOMEDCT_US_2025_09_01:1010610007 MESH:D052245 disease_ontology DOID:0110829 UMLS_CUI:C1568248 GARD:4684 ORDO:231183 ICD10CM:Q99.813 MIM:500004 NCI:C126329 An Usher syndrome characterized by retinitis pigmentosa and onset of sensorineural hearing impairment in the teens that has_material_basis_in mutation in the MTTS2 gene in the mitochondrial genome. Orphanet has this as part of USH3, reference listed refers to symptoms being almost identical to USH3 but inheritance pattern is different. I made this a child of Usher Syndrome but not USH3 - smb. autosomal dominant inheritance