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(ii) History of active drainage from the ear within the previous
90 days.
(iii) History of sudden or rapidly progressive hearing loss within the
previous 90 days.
(iv) Acute or chronic dizziness.
(v) Unilateral hearing loss of sudden or recent onset within the
previous 90 days.
(vi) Audiometric air-bone gap equal to or greater than 15 decibels at
500 hertz (Hz), 1,000 Hz and 2,000 Hz.
(vii) Visible evidence of significant cerumen accumulation or
a foreign body in the ear canal.
(viii) Pain or discomfort in the ear. Special care should be exercised
in selecting and fitting a hearing aid whose maximum sound
pressure level exceeds 132 decibels because there may be risk
of impairing the remaining hearing of the hearing aid user. (This
provision is required only for those hearing aids with a maximum
sound pressure capability greater than 132 decibels (dB).)
Important Notice for Prospective Hearing Aid Users
Good health practice requires that a person with a hearing loss have
a medical evaluation by a licensed physician (preferably a physician
who specializes in diseases of the ear) before purchasing a hearing
aid. Licensed physicians who specialize in diseases of the ear
are often referred to as otolaryngologists, otologists or
Summary of Contents for KS 10.0
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