Early prevention is the key to the neglect of occupational diseases of hearing loss

According to the statistics of NIH 1990, the proportion of noise hearing impairment in adults is more than one-third. These people are mostly engaged in manufacturing, farm, garden, construction, mining and transportation. However, most of the workers who are engaged in these jobs do not go to see a doctor until they retire or have serious hearing impairment, which has often caused irreversible hearing impairment.

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Noise has a variety of effects on hearing. When the noise intensity is low, it does not affect normal communication, which generally does not cause permanent damage to the auditory system. However, when the noise intensity is high, it will cause temporary hearing loss, which will last for a period of time after the noise is stopped. When the noise intensity continues to exceed the critical level, it will affect the internal node of the cochlea Constructed to cause damage and permanent hearing loss.

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Prevention of noise occupational disease

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There are three ways to reduce noise in industrial production. The most effective way is to reduce noise by technology, that is, to control the source of noise by means of science and technology. However, the cost of this method is relatively high. In the case that industrial enterprises cannot pay attention to noise reduction by technology, they often adopt the second way – to limit the time of noise exposure. Because of its low cost, this method has been applied in many high automation industrial enterprises. But in the environment of non high automation enterprises, it is very difficult to implement the rotation system, and enterprises are not willing to let skilled workers leave the workbench due to noise damage.

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The third and most common way to reduce noise is to use personal hearing protection devices. Including earmuffs, ordinary plug-in earplugs, customized protective ear molds, etc. This method needs to let workers really master the correct wearing method of protective equipment, otherwise half the effort will also cause noise hearing loss.

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In addition, people who have been working in noisy environment for a long time should form the habit of checking their hearing regularly, just like checking their body regularly, so as to avoid paying attention to their hearing health when they have irreversible hearing loss.

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