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About Hearing Loss Impairments in hearing can happen
in either frequency or intensity, or both. Hearing loss
severity is based on how well a person can hear the
frequencies or intensities most often associated with
speech. Severity can be described as mild, moderate, severe,
or profound. The term “deaf” is sometimes used to describe
someone who has an approximately 90 dB or greater hearing
loss or who cannot use hearing to process speech and
language information, even with the use of hearing aids. The
term “hard of hearing” is sometimes used to describe people
who have a less severe hearing loss than deafness.
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