A regular sight test is an important part of your healthcare. It can monitor the health of your eyes along with any spectacle prescription that may be required. It is can also help to identify wider general health issues such as high blood pressure or diabetes.
Many people will be entitled to an NHS funded sight test. Please see the link below to see if you are eligible.
https://www.nhs.uk/nhs-services/opticians/free-nhs-eye-tests-and-optical-vouchers/