Possible causes of congenital hearing impairment includes: infections during pregnancy, otoxic medication used during pregnancy or a family history of synapsext, just to name a few. You are considered to be hard of hearing if you experience from serious and powerful decrease in listening to. Basically, your mind will not compute what you are hearing. People who suffer from mild loss of hearing have a hard time picking up conversations or hearing them due to noise of distortion in their surroundings. In this type of loss the threshold ranges from 91 DB or higher. It is common for both hearing and vision (properly referred to as "visual") loss to occur as we age. Most patients will say that they can 'hear', but that they do not understand. Often described as feeling plugged up or in a barrel, conductive hearing impairment affects the loudness of sound.https://webstorehealth.com/synapse-xt/