Hearing and hearing loss


Did you know…

In Quebec 81.5% of the costs of the RAMQ hearing loss program are incured by people aged 55 and older, and 68% by people over 65. Hearing difficulties are more prevalent in children than one would think. Deafness affects 1 to 3 infants out of 1,000 births. 11.5% of children younger than 15 have hearing difficulties, and 21% of them wear a hearing aid. Hearing loss also occurs in the workplace. Every year, 500,000 workers are exposed to excessive daily noise. About 1,000 of them are affected by occupational hearing loss and receive compensation including hearing aids from the CNESST.

Outer ear

Middle ear

Inner ear

Outer ear

Middle ear

Inner ear

Hearing Loss

Hearing difficulties

Multiple factors can cause hearing loss, but all hearing loss can fit into one of these two categories.

Hearing difficulties

Conductive hearing loss

Conductive hearing loss happens when sound doesn’t travel efficiently from the outer ear and into the eardrum and bones of the middle ear (ossicles). It might be caused by ear wax blocking sound from passing through the ear canal, or by otitis media wich makes the ossicles stuck in thick mucus and prevents them from moving freely and transmitting vibration to the cochlea.

In both types of hearing loss,
a screening test may help you identify hearing loss. Hearing aids can help amplify sounds and give your brain the help it needs to process the information they convey.

Hearing difficulties

Sensoneurinal hearing loss

Sensoneurinal hearing loss happens when there is damage to the inner ear or to the nerves that travel from the ear to the brain. Sensoneurinal hearing loss is permanent and can make even loud noises sound muffled. Most often, it is caused by ear cell fatigue. The ear cells that move in liquid inside the cochlea can get damaged to the point of not working at all. You could imagine a piano to which you remove keys. Aging is the most common cause of sensoneurinal hearing loss, and often comes with tinnitus (ringing in the ears).


Hearing Aid Acoustician

The Hearing Aid Acoustician is the professional who sells, fits, adjusts and replaces hearing aids.

(source : Loi sur les audioprothésistes, Québec.)

Our Hearing Aid Acousticians also offer complete and personalized support to help you throughout your hearing rehabilitation.

ENT doctor

An Ear, Nose and Throat specialist (ENT) is a physician trained in the medical and surgical treatment of the ears, nose, throat, and related structures of the head and neck. They have special expertise in managing diseases of the ears, nose and nasal passage sinuses, larynx (voice box), oral cavity and upper pharynx (mouth and throat), as well as structures of the neck and face.

(source : Association d’oto-rhino-laryngologie et de chirurgie cervico-faciale du Québec)

ENT doctors diagnose the types of hearing loss and the appropriate treatment.


The Audiologist is the health professionnal who works in the prevention, evaluation and treatment of hearing-related issues (ex. : hearing loss, tinnitus, vestibular disorders, vertigo).

The Audiologist evaluates and makes a complete assesment of an individual’s hearing capacities with an audiogram (hearing test) and makes recommendations for hearing aids and related services.

(source : Ordre des orthophonistes et audiologistes du Québec)

An assessment by a hearing-aid acoustician is required in order to determine if the hearing aid is suitable for the patient’s needs.


We work in collaboration with these hearing professionnals who are at the same address and on the same floor as our Clinic.

ENT doctors
Clinique ORL Le Carrefour
3030, boulevard Le Carrefour, office 401
Laval (Québec) H7T 2P5

Information and Appointments:
450 687-1750

Clinique d’audiologie Le Carrefour
3030, boulevard Le Carrefour, office 404
Laval (Québec) H7T 2P5

Information: 450 934-4200
Appointments: 450 688-6570

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