Wikipedia
Audioprosthology
Audioprosthology (ACA) is a term used to refer to the profession of the fitting of a hearing aid, or auditory prosthesis. An audioprosthologist is defined as “an aid-fitting specialist who has completed a course in audioprosthology.” This term was adopted by a group of hearing instrument specialists and an organization named the International Hearing Society (IHS) in 1976.