Deafness, Autosomal Recessive 48, also known as dfnb48, is related to usher syndrome, type ij and usher syndrome. An important gene associated with Deafness, Autosomal Recessive 48 is CIB2 (Calcium And Integrin Binding Family Member 2). Affiliated tissues include brain, and related phenotypes are profound sensorineural hearing impairment and abnormal vestibular function