• How do we Hear?
  • What do we here?
  • Hearing Loss
  • Degree of hearing loss
  • Hearing matters
  • What To Look Out For?
  • Hearing rehabilitation

How do we Hear?

Your ear is a very complex mechanism that turns vibrations into electrical signals, which your brain interprets as sound.

The process begins when sound waves travel through the air and into your ear canal. Your ear canal, in turn, funnels the sound waves down to your eardrum, which vibrates like the cone of a stereo speaker when the sound waves wash over it.

Then, three small bones, the hammer, anvil and stirrup, transfer the vibrations to your inner ear and into your cochlea, which is shaped like a snail’s shell. The liquid inside your cochlea’s spiralling tubes vibrates and causes groups of microscopic hairs to wave back and forth.

Each group of hairs detects different wavelengths, or pitches, of sound, which allows you to differentiate between the high pitches of guitar notes and the rumbling sound of a bass guitar. And when the hairs bend to one pitch or another, they create a chemical reaction that sends electrical signals down the auditory nerve and into your brain.

And this opens up your vibrant world of music, conversation and laughter.

What do we here?

We hear over different frequency ranges i.e. from 20 hertz to 20000 hertz and the normal limits of hearing expressed in terms of decibels which should be 0 dB to 25 dB HL (hearing level) as per standards. If someone is not able to hear sounds at different frequency levels up to the level of 25 decibels, then the individual is said to have hearing loss.

As normal speech conversation level range is 40-60 decibel, an individual with a mild loss ignores his hearing problem because he/she can manage by requesting people to speak loud. Furthering the damage, the prevalent social stigma about hearing problems hearing aids prevent the individual from getting his problem treated or even checked.

At Rogan Clinic, we emphasize on regular complete examination and present summary prognosis to individuals who are keen to keep their hearing health intact. It is advised even for a normal individual to enrol for hearing threshold tests every 8-10 months as there are several damaging factors in the environment which can impair our hearing levels anytime. More so, with regular free checkups camps at Rogan Clinic, we thrive to provide meaningful education to the masses on their hearing health. Checkout our next camp details here: Free Hearing Health Checkups Camp.

Hearing helps us to communicate and communication makes us the humans we are, therefore it is very important that we keep our hearing health upright and monitored.

Hearing Loss

As per a recent census report about 6% of the population in our country suffer from a hearing loss, the number is staggeringly high and there is a need to conduct a thorough hearing evaluation for all. Unlike eye sight, hearing problem is often detected much later and even when detected people tend to ignore it till it becomes severe.

Hearing loss is connected to other health conditions


There are Three Types of hearing Loss

Conductive Hearing Loss

This is a condition where an obstruction hampers sound waves from reaching the inner ear. The most common causes are ear infections, excessive ear wax, fluid build-up behind the eardrum, a perforation of the eardrum, and otosclerosis, which is a stiffening of the bones in the middle ear. Conductive hearing issues can be medically managed and even cured, and it can range from mild to moderate.

Sensori neural Hearing Loss

This is a condition where damaged hair cells in the cochlea hampers or even stops sound waves from being converted into the electrical signals that the auditory nerve sends to the brain. Aging is, by far, the most common cause, but exposure to loud noise, certain medications and genetics are also known causes. Sensori neural hearing loss cannot yet be medically managed or cured, and it often ranges from mild to profound.

Mixed Hearing Loss

This is a combination of conductive and sensori neural hearing loss. While the conductive aspect may be medically managed or cured, the sensori neural aspect cannot. And, of course, mixed hearing loss can range from mild to profound.

Degree of hearing loss

Hearing loss can occur at any time; however it is more prominent with increasing age. Hearing loss may affect the understanding of speech due to changes in the ability to hear certain frequencies as well as the clarity of speech, as this may often sound muffled or unclear.

• Mild

MildSpeech may not be as clear, soft speech may be difficult to hear in noisy environments and the volume may be turned up on the TV.

• Moderate

Speech may sound a bit unclear or soft sounds may be missed. The volume may be turned up on the TV or radio.

• Severe

You may ask people to constantly repeat themselves in a higher tone, may miss most soft and environmental sounds such as rain drops and birds chirping.

• Profound

May only be able to hear loud vibrations mostly from low frequency sounds and hearing may be difficult even with amplification.

Hearing matters

The Ability to Hear Well is Vital!

  • While mild hearing loss, such as the inability to hear a watch ticking, a bird singing or the sound of quiet speech, may hardly seem drastic, it is equal to almost seven years of cognitive aging. Mild hearing loss can also increase a person’s likelihood of being stricken with dementia twofold as he or she grows older.
  • The likelihood for dementia increases with the severity of the hearing loss. For a person with moderate hearing loss, it increases threefold, and for someone with severe hearing loss, who can’t hear most speech, the potential for dementia increases five times over that of someone with normal hearing.
  • Hearing loss also causes strained relationships with friends and family. The mounting frustration over the inability to simply do what was so natural, before, such as carry on a conversation, can lead to depression, anxiety and even worse.
  • Hearing loss has long been viewed as nothing more than an inconvenience. It’s anything but that. Hearing loss is a serious medical condition that can cause people to withdraw from their lives.
  • It doesn’t have to be a terrible affliction, though. The solution could be as easy as removing excessive ear wax or as complicated as having surgery done or getting hearing aids. But, whatever the solution is, it’s worth the effort, because yours or your loved one’s ability to hear is worth the effort.

What To Look Out For?

Hearing is one of our most important senses, yet many people who are facing its decline deny the inevitable truth. The signs of hearing problems are usually vague and develop gradually. On average it takes us over 7 years to actually get around to doing something about hearing problems. In that time, we tend to become used to “putting up with it”.

Are You Experiencing Symptoms?

• Asking others to repeat themselves

• Turning up the TV or radio to volume levels others find loud

• Having trouble understanding conversation in noisy places

• Feeling like other people mumble or slur their words

• Having trouble hearing women's and/or children's voices

• Having trouble hearing on the telephone

• Avoiding social situations that were once enjoyable

• Having trouble following a fast moving conversation

• Missing important information in meetings

• Being told by others that you have hearing loss

Hearing rehabilitation – Sooner is better

Over time, reduced stimulation to your ears and brain can actually impair the brain’s ability to process sound and recognize speech. The more speech recognition deteriorates, the more difficult it is to recover. When you can’t hear what’s going on around you, your mental sharpness suffers. The sooner you take action, the sooner you put a stop to the negative effects of hearing loss, and the sooner you begin to regain sharpness, confidence and control.

Why put up with hearing loss when you don’t have to? Nine out of 10 people surveyed by the non-profit Better Hearing Institute indicated their quality of their life improved with hearing aids.


The solution is simple

Communication is critical in life. Your job and social interactions are all more rewarding when you can communicate confidently — and hearing is vital to that. Research shows that people who get hearing aids benefit from:

• Fewer instances of confusion and disorientation

• Increased ability to concentrate and multitask

• Better memory skills and a greater ability to learn new tasks

• Alertness and awareness of their personal safety

• Increased earning power and more control over their lives