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Indications
Indications are not derived from the charging
accessories, but from the compatible hearing aids.
General clinical indications for the use of hearing
aids and Tinnitus feature are:
• Presence of hearing loss
• Uni- or bilateral
• Conductive, sensorineural or mixed
• Mild to profound
• Presence of a chronic tinnitus (only
applicable for devices which provide the
Tinnitus feature).
Contraindications
Contraindications are not derived from the
charging accessories, but from the compatible
hearing aids. General clinical contraindications for
the use of hearing aids and Tinnitus feature are:
• Hearing loss is not in the tting range of the
hearing aid (i.e. gain, frequency response)
• Acute tinnitus
• Deformity of the ear (i.e. closed ear canal;
absence of the auricle)
• Neural hearing loss (retro-cochlear
pathologies such as absent/non-viable
auditory nerve)
The primary criteria for the referral of a patient
for a medical or other specialist opinion and / or
treatment are as follows:
• Visible congenital or traumatic deformity of
the ear;
• 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;
• Audiometric air-bone gap equal to or greater
than 15 dB at 500 Hz, 1000 Hz and 2000 Hz;
• Visible evidence of signicant cerumen
accumulation or a foreign body in the ear
canal;