It's recommended that most people should get their eyes tested every 2 years.
If you're eligible for a free NHS sight or eye test, the NHS pays for it and you won't be charged.
See Am I entitled to a free NHS eye test? for more information.
Your ophthalmic practitioner or optometrist may recommend you have an NHS sight test more often than every 2 years if you:
If you're concerned about your sight before your next NHS eye or sight test is due, you should visit your ophthalmic practitioner or optometrist.
They'll be able to carry out an NHS eye test earlier than planned if it's considered clinically necessary.
If you want an eye test more often than your ophthalmic practitioner or optometrist considers clinically necessary, you'll have to pay for a private eye test.
If you're not eligible for a free NHS sight or eye test, you'll have to pay for a private eye test.
Charges for private eye tests vary, so it's advisable to shop around.
If you pay for a private eye test, you won't be eligible for a free NHS sight test until your next sight test is due.
This will usually be 2 years later, but could be sooner in some cases. The person testing your eyes can advise you.
Read the answers to more questions about NHS services and treatments.