The NHS recommends that you should get your eyes tested every two years (more often if advised by your ophthalmic practitioner or optometrist).

An NHS sight (eye) test is free of charge if you are under 16, or are 16, 17 or 18 and in full-time education.

You can find your nearest opticians using the link below,

https://www.nhs.uk/service-search/Opticians/LocationSearch/9