Deafness, Autosomal Recessive 57, also known as dfnb57, is related to usher syndrome, type ij and leber congenital amaurosis with early-onset deafness. An important gene associated with Deafness, Autosomal Recessive 57 is PDZD7 (PDZ Domain Containing 7), and among its related pathways/superpathways are Olfactory Signaling Pathway and Ciliary landscape. Affiliated tissues include brain, and related phenotypes are hearing impairment and sensorineural hearing impairment