👂 Hearing Beyond the Head Shadow: How CROS/BiCROS Hearing Systems Help Single-Sided Deafness
Single-Sided Deafness (SSD), or profound hearing loss in one ear with normal or impaired hearing in the other, presents unique and frustrating challenges. Simple hearing aids don't work because the hearing nerve in the deaf ear cannot transmit sound.
The primary difficulty is the Head Shadow Effect—when sound comes from the side of the deaf ear, the head physically blocks the signal, making it virtually impossible for the good ear to pick up.
Fortunately, modern audiology provides an elegant, wireless solution: CROS and BiCROS hearing systems.
What is the CROS System? (Contralateral Routing of Signal)
The CROS system is designed for patients where:
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One ear is functionally deaf.
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The other ear has normal hearing.
How it Works:
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Transmitter: A device (with a microphone) is worn on the deaf ear to pick up sounds originating from that side.
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Wireless Routing: This sound is instantly transmitted wirelessly (via Bluetooth or a proprietary signal) across the head to the good ear.
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Receiver: A receiver in the good ear plays the sound, allowing the user to hear sounds coming from their deaf side without physically turning their head.
What is the BiCROS System? (Bilateral Contralateral Routing of Signal)
The BiCROS system is used when:
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One ear is functionally deaf.
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The other ear has some degree of hearing loss.
How it Works:
The BiCROS system functions exactly like the CROS system, but with one critical difference: the receiver worn on the better ear not only receives the transmitted sound from the deaf side but also provides amplification to correct the existing hearing loss in that ear.
The Life-Changing Benefits
These innovative systems do not restore hearing to the deaf ear, but they dramatically improve spatial awareness and communication quality by:
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Eliminating the Head Shadow Effect: You can now hear your conversation partner clearly, regardless of which side they are sitting on.
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Improving Awareness: Increasing safety by ensuring you hear sounds (like traffic or sirens) coming from your deaf side.
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Reducing Listening Fatigue: Lessening the constant strain of trying to orient your head to catch sounds with your one good ear.
Finding Your Ideal Solution with Acoustik Hearing
CROS and BiCROS systems require precise assessment and calibration to ensure the sound is routed correctly and comfortably.
As the best Hearing and Speech clinic in Mumbai, Navi Mumbai, and Thane, Acoustik Hearing specializes in fitting these advanced wireless solutions. We offer expert consultations and comprehensive testing, ensuring the chosen CROS or BiCROS system perfectly matches your specific hearing profile.
For your convenience, we provide these highly specialized hearing services—from initial assessment to final instrument fitting—at the comfort of your own home anywhere across Mumbai, Thane, and Navi Mumbai.
Ready to overcome the challenges of single-sided deafness? Schedule your consultation today!
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