Sensorineural deafness

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Noise deafness is a kind of slow, chronic and progressive sensorineural deafness caused by long-term noise stimulation.

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Tinnitus is a common clinical symptom with a high incidence. It can occur for men, women, old and young. Its feelings can be like playing, cricket, wind, rain, whistle, bell, etc. Tinnitus includes single tinnitus, double tinnitus, intermittent tinnitus or persistent tinnitus. The light can only be heard in a quiet state, while the heavy can feel noisy and uneasy in their ears at any time. It can occur either alone or together with other diseases. Tinnitus is a minor disease, but it seriously affects people’s life, work, study and rest, and endangers human health.

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After the occurrence of noise deafness, the first symptom is tinnitus, and tinnitus is often more common than deafness.

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The influence of noise on hearing organs can be roughly divided into two situations: one is hearing fatigue in noise environment. Because the auditory organs are stimulated by sound, the body must make appropriate response. However, when the stimulus is too strong, if it is more than 90 decibels, it can damage the auditory organ, that is, the hair cells of the spiral organ. At this time, even if left the noise environment, in a quiet place, the ear will still be buzzing. This tinnitus, in turn, masks hearing. If you talk to someone, you will feel that you can’t hear what they love to say. After a period of time, the tinnitus disappears and the hearing can be restored. This is the phenomenon of hearing fatigue.

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Another situation is that when the hair cells of spiral organ are exposed to noise for a long time, the hair cells will be destroyed and degenerated. The degree of pathological changes is closely related to the intensity, frequency and length of service of noise.

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Because the first affected is the high frequency beyond the language frequency, that is, the frequency of life conversation is not commonly used. Therefore, in normal language conversation, you will not feel bad hearing. After a few years, you will gradually develop into hearing loss within the speech frequency, and then you will gradually feel deaf.

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If you find yourself in a noisy environment for a long time, whether it’s working or living environment, or if you feel that you have tinnitus for a long time, you should pay attention. Arrange time for yourself to do a professional hearing test as soon as possible, get to know your hearing situation in time, and listen to the expert’s advice, such as: change the working or living environment, if not, you can choose a suitable hearing aid to protect your residual hearing and so on. Even if the examination report says you are normal, don’t take it lightly, because hearing loss will happen unconsciously, so you should also go to a professional institution for regular examination to ensure early detection and treatment.

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