MYO7A and autosomal dominant nonsyndromic hearing loss 11: Myosin VIIA has been implicated in Usher syndrome type 1B, atypical Usher syndrome, non-syndromic autosomal recessive hearing impairment (DFNB2) and autosomal dominant hearing impairment (DFNA11) [4], [5], [6], [7], [8].