Q&A: why hearing aids in both ears when you only have unilateral hearing loss?

Question by panadelias: why hearing aids in both ears when you only have unilateral hearing loss?
Contralateral Routing of Signals (CROS) hearing aid
a hearing aid that takes sound from the ear with poorer hearing and transmits to the ear with better hearing.
this doent make sense to me, shouldnt it be the other way around. can someone explain it to me

Best answer:

Answer by Teddy & Chiliswoman
If the sound is coming from your right and your right ear is deafened – your right ear cannot hear the sound well. If the problem relates to making sense of sound rather than the volume of sound than amplification of sound in your right ear is useless.

So the hearing aid in your right ear “hears” the sound and send it to your left ear. So now your left ear can make sense of what it hears – hears the sound transmitted to it – and can tell the right side of your brain what it heard.

(I have a hearing loss in one ear that has nothing to do with volume – I can hear the volume fine – it just sounds garbled. So I turn my head toward sound I need to understand. With this hearing aid I would not have to turn my head.)

If you use this type of aid you will think the hearing is your right ear has improved when it is actually unchanged. What is happening is your left ear is able to hear sound that comes from the right direction that it would not ordinarily hear well.

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