Spieth medical

Hearing aids   need to be well maintained in order to prolong their life. There are some tips for your reference:   1. Moisture proof. This is one of the most important things to keep your hearing aids in working for a longer time. Hearing aids are made up of sophisticated electronic components, so moisture has a certain effect on electronic equipment. Therefore, when washing your face, Washing your hair, Do not wear your hearing aid when swimming or when it is raining, dry your hearing aid in case of sweating to prevent sweat from penetrating it, and do not place your hearing aid in a humid environment such as a bathroom. When the hearing aid is not in use, place it in a drying box (please note that the desiccant in the box is not working) or in an electronic dryer, if possible, return it to the fitting centre for regular vacuum drying. During winter, pay attention to whether there are any water droplets in the earmould tube, and if so, shake them out to avoid affecting the hearing ai

According to the WHO hearing loss grading scale, the details as follow: ●Normal Hearing Loss: -10 ~20dB (No or very slight hearing problems. Able to hear whispers.) ●Mild Hearing loss: 20dB~40dB(Able to hear and repeat words spoken in normal voice at 1 metre.) ●Moderate Hearing Loss: 40~55dB(Able to hear and repeat words spoken in raised voice at 1 metre.) ●Moderately Severe Hearing Loss: 55~70dB(Able to hear some words when shouted into better ear.) ●Severe Hearing Loss: 70~90dB ((Able to hear very few words when shouted into better ear.) ●Profound Hearing Loss: 90~120dB(Unable to hear and understand even a shouted voice.) Hearing classification is based on the results of pure tone audiometry, which is a subjective test. Since children (especially those under 5 years old) are often unable to cooperate well with this test, and there are certain differences in hearing threshold and hearing sensitivity between children and adults, the grading criteria here are only applicable to adults,