CDH23 Gene USH1G Gene Cellosaurus Disease Terminology HARS1 Gene USH2A Gene MYO7A Gene Syndrome Rare Non-Neoplastic Disorder Usher Syndrome Usher Syndrome Disease or Syndrome C85217 A rare, autosomal recessive inherited syndrome caused by mutations in the CDH23, CLRN1, GPR98, MYO7A, PCDH15, USH1C, USH1G, and USH2A genes. It is characterized by hearing loss or deafness and progressive loss of vision. The loss of vision is the result of retinitis pigmentosa. C0271097 Usher Syndrome Cellosaurus