Ringing sensation in the ears (8)
I believe the answer is:
tinnitus
'ringing sensation in the ears' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for tinnitus that I've seen before include "Hearing ailment" , "Chess piece" , "annoyance to the ear" , "Constant ringing noise in the ears" , "problem for audience" .)