41. A second factor is that many forms of hearing impairment mean that dB input range. 42. At the age of 10 Ferdinand suffered hearing impairment ( for an unknown reason ). 43. The amount of tinnitus is not necessarily related to the degree or type of hearing impairment . 44. There are about 23, 000 people in the UK who have serious vision and hearing impairments . 45. In his last 10 years of his life he suffered from hearing impairment and severe depression. 46. Some studies indicated an increased prevalence of a family history of hearing impairment in these patients. 47. He also suffers from sight and hearing impairments . 48. Three are specifically for persons with hearing impairments . 49. The building hosts students with special needs such as mental or physical disabilities, or hearing impairment . 50. The New Mexico School for the Deaf runs a preschool for children with hearing impairments in Albuquerque.
