FM systems can enhance the use of hearing aids and overcome the effects of poor listening conditions because the signal is sent from the microphone worn by the speaker directly to the listener. The prognosis has improved with the recent advancements in digital hearing aid technology, such as directional microphones, open-fit hearing aids, and more advanced algorithms. Hearing aids can mask or cover up the tinnitus, and many with hearing loss and tinnitus find relief by using hearing aids. Though there is no cure or agreed-upon treatment for tinnitus, some drugs have been shown to provide temporary reduction of tinnitus. Other treatments for tinnitus include cognitive-behavioral therapy, biofeedback, and electrical stimulation. Annual audiological evaluations are recommended to monitor any changes in a patients hearing and to modify hearing-aid prescriptions. A systematic-review conducted by the American Academy of Audiology Task Force On the Health-Related Quality of Life Benefits of Amplification in Adults found the use of hearing aids to increase quality of life. The review pertained to adults who experienced sensorineural hearing loss, which can be caused by excessive, loud noise. Epidemiology
The World Health Organization estimates that nearly 360 million people have moderate to profound hearing loss from all causes. Rates of hearing loss has traditionally been attributed to occupational or firearm-related exposure, as well as recreational exposure. The World Health Organization estimated in 2015 that 1.1 billion young people are at risk for hearing loss caused by unsafe listening practices.
Research suggests that those with hearing impairment or loss may be at a greater risk for deterioration of quality of life, as captured by a quote from Helen Keller: "Blindness cuts us off from things, but deafness cuts us off from people." Hearing impairment and loss of hearing, regardless of source or age, also limits experiencing the many benefits of sound on quality of life. In addition to the interpersonal social benefits, new studies suggest the effects of nature sounds, such as birds chirping and water, can positively affect an individuals capacity to recover after being stressed or to increase cognitive focus. Quality of life questionnaire
Hearing loss is typically quantified by results from an audiogram; however, the degree of loss of hearing does not predict the impact on ones quality of life. The impact that NIHL can have on daily life and psychosocial function can be assessed and quantified using a validated questionnaire tool, such as the Hearing Handicap Inventory for the Elderly (HHIE). The HHIE is considered a "useful tool for quantifying the perceived emotional and social/situational consequences of hearing loss." The original tool was designed to test adults 65 years of age and older; however, modified versions exist. For adults the Hearing Handicap Inventory for Adults (HHIA) can be used and for adolescents the modified 28-item Hearing Environments And Reflection on Quality of Life (HEAR-QL-28) can be used.