You will be given a definition of a task first, then some input of the task.
Given an abstract, generate a keyword (a noun phrase) that best describes the focus or contribution of the paper. Such keywords can be directly from the given abstract or outside it.

Abstract: There is growing evidence that failure to diagnose and manage hearing problems early in their course results in significant and--to some extent--irreversible sensory deprivation. The primary care physician should routinely screen patients over age 50 for pure-tone sensitivity as part of the general physical examination. Battery-operated, in-office, limited-frequency audiometers are available for under $350.
Output:
Aged