Deafness, Autosomal Dominant 59, also known as autosomal dominant nonsyndromic deafness 59, is related to nonsyndromic hearing loss and y-linked deafness. An important gene associated with Deafness, Autosomal Dominant 59 is DFNA59 (Deafness, Autosomal Dominant 59). Related phenotypes are sensorineural hearing impairment and hearing/vestibular/ear