According to the World Health Organisation (WHO, 2017), hearing loss affects 430 million people worldwide. It is also estimated that by 2050, nearly 2.5 billion people will have some degree of hearing impairment and at least 700 million will have
According to the World Health Organisation (WHO, 2017), hearing loss affects 430 million people worldwide. It is also estimated that by 2050, nearly 2.5 billion people will have some degree of hearing impairment and at least 700 million will have