61
Contraindications
CROS device: General clinical contraindications for the use
of a CROS device are:
• Aidable hearing loss (on the intended CROS side)
• Normal hearing (on the intended CROS side)
Special consideration will need to be taken when tting a
CROS device to ears with anatomical deformity (e.g.
microtia, atresia, or incomplete pinna). Care will need to be
taken to provide a secure placement of the CROS device on
these ears.
The primary criteria for the referral of a patient for a
medical or other specialist opinion and / or treatment are as
follows:
• History of active drainage from the ear in the previous
90 days
• History of sudden or rapidly progressive hearing loss in
one or both ears within the previous 90 days
• Acute or chronic dizziness
• Unilateral tinnitus which has not been medically
investigated
• Visible evidence of signicant cerumen accumulation or
a foreign body in the ear canal