Although ears and eyes are human sensory organs, they have many similarities. There are many differences between hearing loss and vision loss, which cause the corrective effects of the two to be very different.
It is important to note that these hair cells cannot regenerate, so when they are damaged or die, the number of signals transmitted to the brain will be greatly reduced. The brain can only resolve a limited number of signals, so it is difficult for us to recognize speech signals. , That is, inaudible, unable to understand speech.Hearing aids are good at amplifying the sound coming into the ear, but it is still difficult to pick out the part of the brain that is of interest.The current digital hearing aids have made considerable progress in this regard, and can extract useful information from complex sounds.Eye surgery can correct various vision problems, and most hearing loss cannot be corrected with surgery.
Conductive hearing loss is related to external or middle ear diseases, such as excessive cerumen, otitis media or middle ear ossicular chain damage, and hearing can generally be improved or restored by medical means such as surgery and drugs.But sensorineural hearing loss, which accounts for 90% of deafness, is not so lucky. This type of hearing loss is usually caused by damage to the inner ear, auditory nerve, and even the auditory center of the brain.
In order to read the newspaper, I go to the eyeglass shop everywhere to buy a pair of reading glasses, usually you can see clearly when you wear them.But why can’t it be the same simple if you can’t hear it?You can see it after an eye surgery, and the ears are back. Why is the operation not working?How can hearing aids not be able to hear clearly when wearing reading glasses?Although the ears and eyes are human sensory organs, they have many similarities. There are many differences between hearing loss and vision loss, which cause the corrective effects of the two to be very different.
Hearing loss is an invisible and intangible obstacle. Compared with vision loss, it is often more difficult to attract people’s attention, leading to longer delays in choosing hearing aids. In addition, there is no sound stimulation for a long time. After wearing hearing aids, the brain It takes a period of time to adapt before regaining sound processing skills. Therefore, hearing loss is less effective than interventions for vision loss, and usually does not achieve the effect of wearing and clearing.Finally, the editor strongly recommends that you start regular hearing tests at the age of 50 to find out in timeHearing loss, Intervene early, this is very important.
