The best-known device associated with hearing loss is probably the hearing aid. It is a small electronic device that you wear in or behind your ear. It makes some sounds louder. You will find links to resources related to hearing aids on this page.
The National Institute on Deafness and Other Communication Disorders provides an overview of hearing aids in FAQ format:
Overview of hearing aids
Hearing aids can be costly. The Clerc Center provides information on places to seek financial assistance.
Financial assistance for hearing aids