The Vel weak phenotype is due to a heterozygous deletion in the same exon, resulting one functional copy of the SMIM1 gene. If a patient who is Vel negative is transfused with Vel positive red blood cells, they may form anti-Vel alloantibodies.
Hearing aids need to be fitted by someone trained specifically in hearing problems. An audiologist or licensed hearing aid provider can make sure your hearing aids fit and work for your type and degree of hearing loss. You also need to consider cost.
Hearing aids. Hearing aids help some deaf people hear, but they don't work for everyone.You can take off the hearing aid whenever you want. You can get a new ear mold (so it fits) or, if you need to, even a whole new aid. Some deaf people with hearing aids can speak well.That is because they can hear some speech sounds and practice speaking clearly. A hearing aid will make the sound of eeee when the ear mold doesn't fit in the ear tightly. deaf person may use hearing aids to hear the TV, when someone calls their name, to listen to music, and hear environmental sounds. Suppose a deaf person listens to music when using a hearing aid. First, the sound goes to the hearing aid and is amplified. Second, sound goes through the ear to the eardrum.