ALD – Assistive Listening Device

BMA – Bilateral Microtia Atresia (that is Microtia & Atresia on both sides)

BAHA – Bone Anchored Hearing Aid

BCHA – Bone Conduction Hearing Aid

BTE – Behind the Ear (hearing aid)

GHS – Goldenhar syndrome

HFM – Hemifacial Microsomia

LMA – Left Microtia Atresia (that is Microtia & Atresia on the left side)

RMA – Right Microtia Atresia (that is Microtia & Atresia on the right side)

TCS – Treacher Collins syndrome

UMA – Unilateral Microtia Atresia (that is Microtia & Atresia on one side)

VSB – Vibrant Soundbridge