Deafness is usually the result of inner ear or nerve damage. It may be caused by a congenital defect, injury, disease, certain medication, exposure to loud noise or age-related wear and tear. The chief symptom is an inability to hear sound.
Risks factors of hearing impairment are follows:-
- Heavy noise.Exposure to loud sounds can damage the cells of your inner ear part. Damage can be due to extended exposure to loud sounds or from a short blast of noise such as a gunshot
- Your family background/genetic causes can make you more susceptible to ear damage from sound or deterioration from aging.
- Occupational noises.Heavy noise is a continuous part of the working culture, such as farming, construction or factory work which can destroy the inside of the ear.
- Recreational noises. Concentration to explosive noises such as from firearms and jet engines, can cause immediate or permanent hearing loss. Other recreational activities which can cause damage due to heavy noise levels include snowmobiling, motorcycling, carpentry or listening to loud music.
- Few illnesses.Diseases or illnesses that result in high fever, such as meningitis, may damage the cochlea.
- Degeneration of inner ear interface occurs over time.
- Aging and focus to strong noise may affect wear and tear on the hairs or nerve cells in the cochlea that pass sound signals to the brain.
- Earwax can block or stop the ear canal and prevent conduction of sound waves. Earwax move can support restore your hearing sound.
- Ear infection and abnormal bone growths or tumors.In the outer part or middle ear, any of these can region of hearing loss.