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    587037
    Jan 24, 2020

    Industrial Hearing Tests

    in Hearing

    NOISE-INDUCED HEARING LOSS (NIHL)


    Noise is something that all of us encounter and it can be defined as any undesirable sound. Noise has non-auditory as well as auditory effects on human beings.


    Non-auditory (non-hearing) effects include:

    • Annoyance

    • Decrease in working efficiency

    • Physiological effects such as changes in heart rate, blood pressure, muscle tension and gastro-intestinal mobility.

    • Psychological distress


    Auditory (hearing) effects include

    • Interference with speech communication

    • Sudden hearing loss

    • Long term effect: noise-induced permanent hearing loss


    Noise-induced hearing loss (NIHL) is a very serious, permanent problem especially because it can be avoided. A person who works in a noisy environment, like miners, factory workers and construction workers, can show a noise induced hearing loss in as little as five years after starting to work in noise.


    It is important to have your ears tested at least once a year if you work in noise and to ensure that you wear hearing protection. Hearing protection can prevent hearing loss! There is no need for any person to suffer from a NIHL and yet the prevalence of NIHL is staggering. It causes the company and government thousands of rands each month in compensation claims which has a negative influence on the economy as a whole.


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