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.
How to Apply for Hearing Aids Through the Department of Veterans Affairs. Retired and separated service members who meet U.S. Department of Veterans Affairs requirements are eligible to apply for hearing aids as part of basic health care services. The hearing aid benefits apply only to registered veterans, not to their spouses or dependents.