Around 40% of people over 50 in the UK have some form of hearing loss. Hearing loss is usually gradual and you may not notice any changes straight away. Not only is hearing loss frustrating, it can even be dangerous if you are unable to hear warnings. There are many devices and options to help improve hearing.
Age UK have compiled a helpful guide to hearing loss and its treatments – Age UK Website
Similarly, the NHS Choices website has a lot of useful information on the subject – NHS Choices Website