Most hearing aid dispensers in Ireland are members of I.S.H.A.A., ISHAA has represented Clinical and Diagnostic Hearing Aid Audiologists working in the private audiology sector across Ireland since 1987.  In order to be a member of I.S.H.A.A. a member has to hold a recognised qualification to practice as a hearing aid audiologist. I.S.H.A.A. membership is your guarantee that the professional you are dealing with is qualified. ISHAA is the professional body recognised by the Department of Social protection to represent Qualified Hearing Aid Audiologists regarding the Treatment Benefit Scheme.