Indication of BAHA (Bone-anclored hearing aid): (A) Bilateral hearing loss, (B) Sensorineural hearing loss, (C) Congenital canal atresia, (D) All of the above
Answer is C. Ans. is 'c' i.e., Congenital canal atresia Indications for BAHA When air-conduction (AC) hearing aid connot be used; Canal atresia, congenital or acquired, not amenable to treatment. Chronic ear discharge, not amenable to treatment. Excessive feedback and discomfo from air-conduction hearing aid. Conductive or mixed hearing loss, e.g. otoscierosis and tympanosclerosis where surgery is contraindicated. Single-sided hearing loss.