14 Constant fittings
Your hearing changes over time, and hearing loss is progressive. Regardless of the product that you purchase, you will need to have adjustments made in order for your device to continue to work correctly for you. Long term care and follow-up is necessary. And beyond your hearing changing, ear canals can change shape with age and weight loss or gain, and the plastic on the devices shrinks - all which can lessen the effectiveness of your devices.
