presbycusis /pres·by·cu·sis/ (-ku´sis) progressive, bilaterally symmetrical sensorineural hearing loss occurring with age.
presbycusis
presbycusis (prez´bikū´sis),
presbycusis
pres·by·cu·sis (pr z b -ky  ss)n. See presbyacusis. |
presbycusis
[-ko̅o̅′sis]
Etymology: Gk, presbys + akousis, hearing
hearing loss associated with aging. It usually involves both a loss of hearing sensitivity and a reduction in the clarity of speech.
presbycusis (prez´bikū´sis),
n the gradual loss of hearing that occurs naturally with age. The first sign is the diminished capacity to discern high-pitched tones.
presbycusis, presbyacusia
progressive, bilateral loss of hearing with advancing age; occurs in several animal species, especially old dogs.
presbycusis
Age-related hearing loss Audiology A progressive loss of hearing 2º to age-related changes in the inner or middle ear, beginning with high-frequency sounds–eg, speech, which may have a genetic predisposition, as it
tends to occur in families; it occurs ±25% > age 65 to 75 yrs old, 50% > age 75. See Hearing loss.
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