10 facts about deafness
Deafness refers to the complete loss of hearing in one or both ears. Hearing loss refers to both complete and partial loss of the ability to hear. The majority of people with moderate-to-profound hearing loss live in low- and middle-income countries.
50% of hearing loss can be prevented. A large number of those affected by hearing loss can benefit from medicines, surgery and the use of hearing aids and other devices. Raising awareness and improving access to services at the primary level can help to reduce the prevalence and adverse impact of hearing loss.