Hearing aid specialists recommend, select or adapt hearing aids and may alter, adjust or reconstruct hearing aid specifications for functionality, such as taking ear impressions for proper fit.
A hearing aid is defined under Oregon Revised Statutes (ORS) 694.015(3)
as any prosthetic instrument or device designed for or represented as aiding, improving or correcting defective human hearing and any parts, attachments or accessories of such an instrument or device.
Hearing aids are not
, however, devices for treating or correcting hearing impairment that are surgically implanted, such as cochlear implants