The the term “deaf bilateral” it refers to a person who has a partial or total loss of hearing in both ears. This form of deafness can be caused by different causes, including infections of the ear, acoustic trauma, vascular problems, autoimmune disease, or genetics. People with hearing loss, bilateral may have difficulty in perceiving the sounds, understand speech and communicate with others. Can use hearing aids, cochlear implants or other assistive devices hearing to improve their hearing ability, and they may require the assistance of specialists, audiologists and medical rehabilitation to manage their condition and improve their quality of life. Deafness bilateral can have a significant impact on daily life and on the social relations of the person, and requires a careful medical evaluation and a timely treatment to maximize the chances of recovery of hearing.