Audiology is a part of science that deals with hearing, balance, and related issue. Its professionals, who treat those with hearing impairment and proactively avoid related harm, are called as audiologists. Utilizing different testing procedures such as hearing tests, otoacoustic discharge estimations, videonystagmography, and electrophysiologic tests, audiology means to decide if somebody can hear inside the ordinary range, and if not, which parts of hearing (high, center, or low frequencies) are influenced, to what degree, and where the injury causing the hearing loss is discovered (external ear, center ear, internal ear, sound-related nerve as well as focal sensory system). On the off chance that an audiologist confirms that a hearing misfortune or vestibular anomaly is available he or she will give suggestions to a patient with respect to what choices (e.g. portable amplifier, cochlear inserts, proper therapeutic referrals) might be of help.