Global Hearing Aids Market by Types of Hearing Loss (Sensorineural Hearing Loss, Conductive Hearing Loss) by Patient Type (Adults, Pediatrics) by Products (Hearing Aid Devices, Receiver-in-the –ear, Behind the Ear, Canal, in-the-ear, Other Hearing Device) by Hearing Implants (Cochlear Implants, Bone-anchored Systems) & by Geography.