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CROS
aid
How does the CROS aid work?
A CROS aid (Contralateral Routing Of Signal) is made up of two
parts – a microphone (transmitter) and a hearing aid (receiver).
Patients wear the transmitter on the deaf ear and the receiver
on the hearing ear. Sound is transmitted via a wire connecting
each unit. As with the BAHA device, the time delay associated
with the transmission helps the user to distinguish the direction
of the sound.
Who can get a CROS
aid?
Patients with total hearing loss in one ear are eligible for
the CROS aid. If a person also has a degree of hearing loss
in the other ear, both sides of the CROS aid can be fitted with
an amplifier, creating what is known as a “BICROS”
aid.
CROS aids are available throughout the UK at almost every audiology
department of major NHS Trusts.
Advantages of the treatments
| Advantages
of BAHA |
Advantages
of CROS aid |
• Better Sound quality than
CROS aid (proven in clinical testing)
• Discreet and can easily be hidden in the hair
• Does not occlude the
other hearing ear
• No wires
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• No surgical procedure required |
Disadvantages of the Treatments
| Disadvantages
of BAHA |
Disadvantages
of CROS aid |
• A small surgical procedure is required to insert
the tiny (4mm) titanium implant |
•
Occludes Hearing ear
• Often has an external wire linking the two parts
• Is clearly visible
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Link to BAHA
Back to Treating Single Sided Deafness
Link to More About Single Sided
Deafness
Link
to Entific website |
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