Also known as hearing impairment, is a partial or total inability to hear. A deaf person has little to no hearing. Hearing loss may occur in one or both ears. In children hearing problems can affect the ability to learn language and in adults it can cause work related difficulties.
Muffling of speech and other sounds
Difficulty understanding words, especially against background noise or in a crowd of people
Trouble hearing consonants
Frequently asking others to speak more slowly, clearly and loudly
Needing to turn up the volume of the television or radio