1.   Listening to loud music will eventually impair your hearing.

2.   Because they fit inside the ear they can impair ordinary hearing.

3.   I soon learned that Sinclair had somehow suffered an insult in utero that impaired his hearing.

4.   This became an issue after reports of detainees wearing blacked-out goggles, their hearing impaired by ear muffs and their noses covered by surgical masks.

5.   Another Japanese passenger said he had sustained slight injuries to his hands, but said his hearing had been impaired by the explosion.