That dull, ringing sensation in your ears after a long day on the tractor is an indication that you have exceeded a sound level that can be comfortably tolerated. It could be the first sign of hearing loss.
Ringing in the ears is typically accompanied by a slight loss of hearing.
While overnight rest will generally restore normal hearing, repeated, prolonged exposure to noise of this intensity will likely result in a permanent hearing loss.
Sound is measured in decibels, with the range of zero to 85 dB considered acceptable.
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Research shows that risk of hearing loss is determined by how loud the noise is, how close you are to it and how long you are exposed to it.
High-impact noise at close range can cause permanent hearing loss in seconds.
Examples of high impact noise are gunfire Ñ normally around 140 dB Ñ an engine backfiring, and cutting, grinding or punching metal.
The greatest risk to farmers is spending prolonged periods exposed to normal farm noises that often are slightly or moderately above acceptable levels. Tractors, grinders, augers, chain saws, lawn mowers, and even squealing pigs have decibel levels that exceed 90.
Hearing aids might not always improve the hearing of those suffering from noise induced hearing loss so prevention is the best approach.
Limit the amount of time spent in a noisy area. If you can’t reduce exposure, wear hearing protection.
