Shingles is caused by the varicella-zoster virus â the same virus that causes chickenpox. Anyone who's had chickenpox may develop shingles. After you recover from chickenpox, the virus can enter your nervous system and lie dormant for years.
Hearing loss, also known as hearing impairment, is a partial or total inability to hear. A deaf person has little to no hearing. Hearing loss may occur in one or both ears. In children hearing problems can affect the ability to learn spoken language and in adults it can cause work related difficulties.
Sensorineural hearing loss is hearing loss due to damage to the hair cells of the organ of Corti or to the auditory part of the vestibulocochlear nerve. Tinnitus is ringing or buzzing in the ears. Vertigo is the illusion of movement.Nystagmus is a to-and-fro movement of the eyes.nswer 6-1. It is nearly impossible to cause loss of hearing in one ear by damage to the brain beyond the point where the vestibulocochlear nerve enters the brain stem. This is because the distribution of hearing is bilateral at all levels of the central nervous system auditory pathway.