Other potential sources of the sounds normally associated with tinnitus should be ruled out. For instance, two recognized sources of high-pitched sounds might be electromagnetic fields common in modern wiring and various sound signal transmissions. A common and often misdiagnosed condition that mimics tinnitus is radio frequency (RF) hearing, in which subjects have been tested and found to hear high-pitched transmission frequencies that sound similar to tinnitus.[72][73]

If you are experiencing hearing loss, you should see an ENT (ear, nose, and throat) specialist, or otolaryngologist, who can make a specific diagnosis for you, and talk to you about treatment options, including surgical procedures. A critical part of the evaluation will be a hearing test (audiogram) performed by an audiologist (a professional who tests hearing function) to determine the severity of your loss as well as determine if the hearing loss is conductive, sensorineural, or a mix of both.
Other sound-enhancing technologies include personal listening systems that allow you to tune in to what you want to hear and mute other sounds. TV-listening systems make it possible for you to hear the television or radio without turning the volume way up. Different kinds of phone-amplifying devices as well as captioned phones that let you read what your caller is saying make conversations possible on home and mobile phones. 
The International Organization for Standardization (ISO) developed the ISO 1999 standards for the estimation of hearing thresholds and noise-induced hearing impairment.[104] They used data from two noise and hearing study databases, one presented by Burns and Robinson (Hearing and Noise in Industry, Her Majesty's Stationery Office, London, 1970) and by Passchier-Vermeer (1968).[105] As race are some of the factors that can affect the expected distribution of pure-tone hearing thresholds several other national or regional datasets exist, from Sweden,[106] Norway,[107] South Korea,[108] the United States[109] and Spain.[110]
Conductive hearing loss is generally a condition in one ear but can be in both. Depending on the type of conductive loss, treatments may resolve the issue. If the conductive loss is due to earwax, many of our stores can remove this for you. Should the cause be something other than a build-up of earwax, we will refer you to your GP who will assist with a treatment plan.
Other potential sources of the sounds normally associated with tinnitus should be ruled out. For instance, two recognized sources of high-pitched sounds might be electromagnetic fields common in modern wiring and various sound signal transmissions. A common and often misdiagnosed condition that mimics tinnitus is radio frequency (RF) hearing, in which subjects have been tested and found to hear high-pitched transmission frequencies that sound similar to tinnitus.[72][73]

^ Flamme GA, Deiters K, Needham T (March 2011). "Distributions of pure-tone hearing threshold levels among adolescents and adults in the United States by gender, ethnicity, and age: Results from the US National Health and Nutrition Examination Survey". International Journal of Audiology. 50 Suppl 1: S11-20. doi:10.3109/14992027.2010.540582. PMID 21288063.

'Acoustic shock' is a term used in connection with incidents involving exposure to short duration, high frequency, high intensity sounds through a telephone headset. Some sources suggest that these incidents are associated with a range of physiological and psychological symptoms that have been reported amongst headset wearers. It has not been established whether the reported symptoms are caused directly by exposure to these unexpected sounds. There is no clear single cause of these incidents, but one cause may be interference on the telephone line. Although call handlers may be shocked or startled by the sounds, exposure to them should not cause hearing damage as assessed by conventional methods.

Prolonged exposure to loud sound or noise levels can lead to tinnitus.[74] Ear plugs or other measures can help with prevention. Employers may use hearing loss prevention programs to help educate and prevent dangerous levels of exposure to noise. Groups like NIOSH and OSHA help set regulations to ensure employees, if following the protocol, should have minimal risk to permanent damage to their hearing.[75]
Pain was the most frequent symptom, reported by 95%. Of these, 81% reported ear pain, 11% pain in the neck or jaw, and 7% facial pain. Tinnitus was reported by 50%, usually accompanied by other symptoms, but in 6% it was the only symptom. Loss of balance was reported by 48%. The most distressing and durable symptom tended to be hyperacusis, reported by 32%.
There is a strong relationship between hearing loss and tinnitus. Any ear problem but particularly hearing loss can 'unmask' the perception of tinnitus, but some patients with tinnitus have no hearing loss. Correction of hearing loss with hearing aids is known to have a beneficial effect upon tinnitus, but sometimes simple reassurance alone is sufficient.
An outer ear infection is sometimes called swimmer’s ear. That’s because it often starts as a result of water that remains in your ear after swimming or bathing. The moisture becomes a breeding ground for bacteria. If your outer ear is scratched or if you irritate the outer lining of your ear by putting your fingers or other objects in your ear, a bacterial infection can occur.
Prolonged exposure to loud sounds is the most common cause of tinnitus. Up to 90% of people with tinnitus have some level of noise-induced hearing loss. The noise causes permanent damage to the sound-sensitive cells of the cochlea, a spiral-shaped organ in the inner ear. Carpenters, pilots, rock musicians, street-repair workers, and landscapers are among those whose jobs put them at risk, as are people who work with chain saws, guns, or other loud devices or who repeatedly listen to loud music. A single exposure to a sudden extremely loud noise can also cause tinnitus.
Acute infections are mainly due to bacteria but persistent ear itching may be related to  a fungal infection. This is known as otomycosis and most cases are due to the Aspergillus spp of fungi, with the Candida spp causing a minority of fungal ear infections. Ear discharge (purulent) with pain, swelling and redness tends to occur in bacterial infections along with the itching. With fungal infections, a persistent itch and watery discharge (serous), which is often referred to as ‘water in the ears’, are more frequently present.
When the sound waves reach the inner ear, they travel through the fluids of the cochlea. The cochlea is a snail-shaped structure in the inner ear. In the cochlea, there are nerve cells with thousands of miniature hairs attached to them. These hairs help convert the sound wave vibrations into electrical signals that then travel to your brain. Your brain interprets these electrical signals as sound. Different sound vibrations create different reactions in these tiny hairs, signaling different sounds to your brain.
For clients with severe ASD, listening to sounds via headphones during a hearing assessment can be highly threatening and often leads to a significant increase in symptoms, which can persist for days. I consider that frequent audiological testing should not be carried out for these clients. Suprathreshold audiological testing should be limited and loudness discomfort testing, in particular acoustic reflex testing due to the volume levels required, is contraindicated. Some ASD clients have unfortunately had their symptoms permanently exacerbated as a result of a traumatic response to acoustic reflex testing.
Deafness is defined as a degree of loss such that a person is unable to understand speech, even in the presence of amplification.[15] In profound deafness, even the highest intensity sounds produced by an audiometer (an instrument used to measure hearing by producing pure tone sounds through a range of frequencies) may not be detected. In total deafness, no sounds at all, regardless of amplification or method of production, can be heard.
Exposure to loud noise. Loud noises, such as those from heavy equipment, chain saws and firearms, are common sources of noise-related hearing loss. Portable music devices, such as MP3 players or iPods, also can cause noise-related hearing loss if played loudly for long periods. Tinnitus caused by short-term exposure, such as attending a loud concert, usually goes away; both short- and long-term exposure to loud sound can cause permanent damage.
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