About Hearing Loss
Hearing loss affects a large number of people around the world. And it affects them in a variety of ways. Over time, hearing loss can influence your communication and relation with others in a negative way. So by leaving hearing impairment untreated, a physical condition may also become a psychological one. This is why it is important to seek a solution promptly. If you do have hearing loss, then it helps to know that you’re not alone. In fact, you are one of about 460 million people worldwide. In most countries, this means more than 1 in 6 people have some degree of hearing impairment. But it’s reassuring to know that a properly fitted hearing instrument can improve communication in at least 90% of people with hearing impairment. This means you can be quite confident that there is a solution.A person who is not able to hear as well as someone with normal hearing – hearing thresholds of 25 dB or better in both ears – is said to have hearing loss. Hearing loss may be mild, moderate, severe, or profound. It can affect one ear or both ears, and leads to difficulty in hearing conversational speech or loud sounds.
Causes Of Hearing Loss
Hearing loss may result from genetic causes, complications at birth, certain infectious diseases and chronic ear infections, the use of particular drugs, exposure to excessive noise, and ageing.60% of childhood hearing loss is due to preventable causes while 1.1 billion young people (aged between 12–35 years) are at risk of hearing loss due to exposure to noise in recreational settings.
Congenital causes may lead to hearing loss being present at or acquired soon after birth. Hearing loss can be caused by hereditary and non-hereditary genetic factors or by certain complications during pregnancy and childbirth including-
maternal rubella, syphilis or certain other infections during pregnancy,low birth weight,birth asphyxia (a lack of oxygen at the time of birth), inappropriate use of particular drugs during pregnancy, such as aminoglycosides, cytotoxic drugs, antimalarial drugs, and diuretics;
Acquired causes may lead to hearing loss at any age, such as infectious diseases including meningitis, measles and mumps,chronic ear infections,collection of fluid in the ear (otitis media).
Severe Injury to the head or ear can be a cause of Hearing Loss,Industrial causes include excessive noise including occupational noise such as that from machinery and explosions, recreational exposure to loud sounds such as that from use of personal audio devices at high volumes and for prolonged periods of time and regular attendance at concerts, nightclubs, bars and sporting events are some most preventable causes. Natural cause of Hearing Loss is Ageing, in particular due to degeneration of sensory cells.
Impact Of Hearing Loss
Hearing loss can have a range of consequences. The effects of hearing loss differ from person to person, but most people with hearing impairment suffer some social, psychological and physical problems as a result of their hearing loss.Exclusion from communication can have a significant impact on everyday life, causing feelings of loneliness, isolation, and frustration, particularly among older people with hearing loss..