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On Health Society, we dig deeper into Hearing loss and deafness, we also learn about hearing loss treatment
Hearing loss and deafness
A person who is not able to hear as well as someone with normal hearing – hearing thresholds of 20 dB or better in both ears – is said to have hearing loss. Hearing los my 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.
‘Hard of hearing’ refers to people with hearing loss ranging from mild to severe. People who are hard of hearing usually communicate through spoken language and can benefit from hearing aids, cochlear implants, and other assistive devices as well as captioning.
‘Deaf’ people mostly have profound hearing loss, which implies very little or no hearing. They often use sign language for communication.
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Causes of hearing loss and deafness
Causes of hearing loss and deafness
Although these factors can be encountered at different periods across the life span, individuals are most susceptible to their effects during critical periods in life.
Prenatal period
genetic factors including hereditary and non-hereditary hearing loss
intrauterine infections – such as rubella and cytomegalovirus infection.
Perinatal period
birth asphyxia (a lack of oxygen at the time of birth
hyperbilirubinemia (severe jaundice in the neonatal period)
low-birth weight
other perinatal morbidities and their management.
Childhood and adolescence
chronic ear infections (chronic suppurative otitis media)
collection of fluid in the ear (chronic nonsuppurative otitis media)
meningitis and other infections.
Adulthood and older age
chronic diseases
smoking
otosclerosis
age-related sensorineural degeneration
sudden sensorineural hearing loss.
Factors across the life span
cerumen impaction (impacted ear wax)
trauma to the ear or head
loud noise/loud sounds
ototoxic medicines
work related ototoxic chemicals
nutritional deficiencies
viral infections and other ear conditions
delayed onset or progressive genetic hearing loss.
Information provided by: Hearo
Disclaimer: For medical advice, please consult your healthcare provider
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