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betterhearing
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« on: December 29, 2007, 05:23:31 PM » |
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HAVE THE BIRDS STOPPED SINGING? Approximately one in five people between the ages of 40 and 60 suffer from some degree of hearing loss. Surprisingly, many of these people simply aren't aware of the problem - or attribute their difficulties to some other cause. If you haven't heard the birds singing for a while, you may have a hearing loss. Of course, you might think it's not severe enough to worry about. But however mild your hearing loss might be, you'll find that your life will greatly improve by doing something about the problem. 2 This booklet can help you find out whether your hearing is affected, and explains what to do if you suspect a loss. WHAT DO YOU DO WHEN EVERYDAY SOUNDS START DISAPPEARING? WHAT DOES IT MEAN TO HAVE A HEARING LOSS? A hearing loss can mean many things: not hearing the doorbell ring, missing key information at a meeting, losing the thread of conversation at a dinner party. It can mean missing out on countless sounds - the rustle of leaves, the singing of birds, a child's whisper - that give pleasure and meaning to life. Helen Keller* may have said it best: "Loss of vision means losing contact with things, but loss of hearing means losing contact with people." But help is at hand. Hearing instrument technology has advanced rapidly over the last few years. Modern instruments contain a range of high-tech features that can help you understand speech better and which will make your listening experience much more comfortable. *Helen Adams Keller (1880-1968), the internationally celebrated author and advocate for disabled people, who was both deaf and blind. 5 DO YOU HAVE A HEARING LOSS? 1. Do you sometimes miss everyday sounds others hear, such as birds singing? 2. Do you often ask for words to be repeated? 3. Do you often turn up the TV or radio louder than others like? 4. Do people often sound as though they’re mumbling (or does speech sound muffled)? 5. Do you hear ringing in your ears? 6. Do you need to ask others about the details of a meeting you’ve just attended? 7. Do you have trouble hearing over the phone? 8. Do you find it difficult to follow conversation in a noisy restaurant or crowded room? 9. Have you had significant noise exposure at work? 10. Do you sometimes fail to hear the ring of the doorbell or telephone? 11. Do you find male voices easier to understand than those of women? How do you find out whether you have a hearing loss? Your answers to the questions below may be a helpful indicator: 7 If you answered yes to any of these questions, you may have some degree of hearing loss. To find out for sure, we encourage you to contact a hearing care professional for a proper hearing test. WHY DOES HEARING DETERIORATES ? 8 There are many kinds of hearing loss, but most fall into two categories: "sensorineural" and "conductive". Ninety percent of permanent hearing losses are sensorineural. The term refers to deterioration of the tiny, delicate sensory cells called "hair cells" that line the inner ear. These cells are vibrated by sound waves reaching the inner ear, and pass the pattern of these vibrations on to the brain via the hearing nerve. The brain interprets these patterns as sound. While sensorineural loss is often a natural part of aging, it can also be caused by exposure to noise, head injury, certain infections or medical treatments, or it can simply be genetic. Sensorineural loss cannot be corrected medically. Hearing losses can also be conductive. This type of hearing loss involves an obstruction to sound waves reaching the inner ear. The problem lies in the ear canal or the middle ear, where three tiny bones conduct sound waves to the inner ear. Accumulation of earwax, perforation of the eardrum, accumulation of fluid in the middle ear, or abnormal bone growth in the middle ear (otosclerosis) are some causes of conductive loss, which can often be corrected medically. Hearing losses can also be a combination of sensorineural and conductive types. 9 10 If you have a sensorineural loss, you can still hear. But you are unable to hear the full range of sound, both in terms of pitch and loudness. Often, high-pitched soft sounds such as birds singing are diminished or lost all together. The loss of other high-pitched sounds, such as the "s" sound in speech, can hurt speech understanding. To complicate matters further, a person with hearing loss may experience loud sounds, such as someone shouting or tires screeching, as loudly as someone with normal hearing. Fortunately, most sensorineural losses can be improved with hearing instruments, which allow you to capture many sounds that would otherwise be lost. As a result, speech understanding most often improves, and the sense of growing isolation fostered by hearing loss may in many cases be checked or reversed. Studies have shown that adults who wear hearing instruments often see significant improvements in many aspects of their lives, including self-esteem, relationships, and a more rewarding social life. WHAT CAN BE DONE ABOUT SENSORINEURAL LOSS? > HEARING INSTRUMENTS HAVE COME A LONG WAY Today's hearing instruments are highly advanced - and can be very discreet. Their digital technology can be precisely tailored to your particular needs. Some models are so small they can be virtually hidden within or behind the ear. 13 The first step is to see a hearing care professional and get a hearing test. If you have a conductive loss, you'll be referred to an ENT doctor (otorhinolaryngologist) for further treatment. If you have a sensorineural loss, you'll be advised which kind of hearing instrument would best suit your needs, whether you'll need one or two instruments, and how to get the most benefit from them. The road to better hearing begins with an audiological evaluation for diagnosis. This is followed by the selection and fitting of hearing instruments, and finally a period of adjustment. The more you know about this process the better the results, so read as much on the subject as possible. WHERE TO GO FOR HELP Easier communication may be just a step away. And by taking action as soon as possible, you can markedly improve the ease of communication and quality of life for yourself and for your family, friends and colleagues, who will find speaking with you much less of a strain. 14 15 ACT NOW ! M100367-GB-04.08 Rev. A
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