DEB's Audiology & Hearing Care

Types of hearing loss

Understanding Your Hearing Loss Profile

Not all hearing loss is permanent, and not all solutions are the same. From simple physical blockages to nerve-related changes, we help you identify exactly what is happening inside your ears so you can choose the right path forward.

Types of hearing loss

Understanding Your Hearing Loss Profile

Not all hearing loss is permanent, and not all solutions are the same. From simple physical blockages to nerve-related changes, we help you identify exactly what is happening inside your ears so you can choose the right path forward.

Understanding Hearing Loss Types

There are three distinct categories of hearing loss: Sensorineural hearing loss, Conductive hearing loss, and mixed hearing loss. The classification depends on which specific part of your auditory system is affected.

Mixed Hearing Loss

As the name suggests, this is a combination of both sensorineural and conductive hearing loss. It means there may be damage in the inner ear and a physical blockage in the middle or outer ear.

You may have a pre-existing age-related hearing loss (sensorineural) that is suddenly made worse by a heavy buildup of earwax or a seasonal infection (conductive).

We treat the conductive component first, often through medical intervention, and then evaluate the remaining sensorineural loss to find the right hearing enhancement.

Conductive Hearing Loss

Conductive hearing loss occurs when sound cannot efficiently travel through the outer ear canal to the eardrum and the tiny bones of the middle ear.

It often feels like you are wearing a heavy earplug. Your own voice might sound louder or “echoey” inside your head, while the outside world sounds muffled.

  • Earwax Impaction: A very common issue in dusty or humid environments.
  • Fluid in the Middle Ear: Often following a cold or seasonal allergies.
  • Ear Infections: Common in tropical climates where moisture can get trapped in the ear canal.

This is often temporary and can frequently be treated medically or through a professional cleaning by an audiologist or ENT.

Sensorineural Hearing Loss

This is the most common form of hearing loss, accounting for roughly 90% of all cases in adults. It occurs when there is damage to the tiny hair cells in the inner ear (cochlea) or the pathways from the inner ear to the brain.

Sounds may be loud enough, but they lack clarity. You might feel like people are mumbling, or you struggle specifically in noisy environments.

The natural aging process (Presbycusis).

  • Prolonged exposure to loud urban noise.
  • Certain medications or genetic factors.

Because these hair cells cannot regrow, this type of loss is most effectively managed with modern, high-definition hearing technology that filters sound for the brain.

Hidden Hearing Loss

When hearing tests look ‘normal’, but listening still feels hard, hidden hearing difficulty may be the reason.

A relatively new discovery in audiological research, Hidden Hearing Loss explains why some people hear sounds clearly in a quiet test room yet struggle in conversations, especially in noisy environments. This can happen when the connection between the ear and the brain is under strain, often long before hearing loss appears clearly on a standard test.

What causes this?

  • Hearing difficulties left unaddressed over time

  • Reduced sound input to the brain

  • Increased listening effort and mental fatigue

Why it matters?

  • Conversations become exhausting

  • Social withdrawal and isolation increase

  • Greater strain on memory and thinking over time

Why early testing helps?

  • Identifies subtle listening difficulties

  • Explains why everyday hearing feels hard

  • Helps protect remaining hearing and brain health

  • Guides the right support before problems worsen

Concerned about your hearing health?

Empower yourself with awareness. Our complementary online hearing assessment provides a convenient preliminary evaluation of your auditory function. Complete the quick screening for both ears and receive immediate personalized results.

Schedule a comprehensive assessment

Have a question or need assistance?

Understanding Additional Hearing Loss Categories

Hearing loss can be further classified based on specific presentation patterns. These classifications help our clinical team determine the most effective intervention strategy for your lifestyle.

Sudden Hearing Loss

This is a medical emergency where hearing disappears or drops significantly within a 72-hour window, often accompanied by a ‘popping’ sensation or loud ringing.

It often feels like your ear is ‘blocked’ by cotton or water that won’t come out. Many people mistake this for earwax, but if the drop is sudden, it requires immediate attention.

Viral infections of the auditory nerve, extreme stress, or sudden circulatory blockages.

Time is critical. If treated with medical intervention (such as steroids) within the first 24–48 hours, hearing can often be partially or fully restored. Following medical treatment, we provide diagnostic mapping to assess any permanent changes.

Bilateral Hearing Loss

This occurs when both ears are affected. While it can be symmetrical (the same in both ears), it is often asymmetrical, requiring different levels of help for each side.

The world feels quiet or ‘muffled’ on both sides. You find yourself turning your ‘good ear’ toward people, only to realize that even the good ear is struggling to keep up with the conversation.

The most common cause is age-related wear (Presbycusis) or long-term exposure to high-decibel urban environments.

A binaural (two-ear) fitting. Research shows that wearing two devices allows the brain to process speech up to 40% more effectively in noisy environments compared to wearing just one.

Unilateral Hearing Loss

When hearing is lacking or significantly lower in just one ear, it creates a unique challenge for the brain to process sound direction and clarity.

You may feel ‘unbalanced’ or struggle to tell where a sound is coming from (localization). In a busy Mumbai street, you might hear a vehicle but can’t tell which side it’s approaching from.

  • Viral infections
  • Physical trauma to one side of the head,
  • Circulatory issues specific to one ear.

Specialized technology like CROS or BiCROS systems that wirelessly beam sound from your poorer ear to your better ear, giving you 360-degree awareness.

Every Ear Tells a Different Story

Whether it’s a gradual fade in both ears or a sudden change in one, precision matters. A comprehensive assessment is the only way to ensure you get the right clinical solution for your specific category of loss.