What is a dvla / driving vision test?
In the UK, every driver is legally responsible for ensuring their eyesight meets the minimum standard for driving. The DVLA requires that you must be able to read a number plate from 20 metres away (20.5 metres for older-style plates). In clinical terms, this broadly equates to a visual acuity of 6/12 (or 0.5 on the decimal scale) on the Snellen chart, measured with both eyes open and with glasses or contact lenses if you normally wear them. You must also have an adequate field of vision — at least 120 degrees horizontally with no significant defects within the central 20 degrees.
An optometrist can carry out a driving vision assessment to determine whether you meet these standards. This is particularly important if you are a new driver preparing for your practical test, if you have been advised by the DVLA to have your vision checked, or if you have had any change in your eyesight or a medical condition that might affect your ability to drive safely. During your practical driving test, the examiner will ask you to read a number plate at the start — if you fail this, the test is terminated immediately.
It is worth knowing that the penalty for driving with eyesight below the legal standard is severe: you can be prosecuted, fined up to £1,000, and receive three penalty points. In a worst-case scenario — for example, if you cause an accident because of poor vision — you could face criminal charges for dangerous driving. If in any doubt about your eyesight, book a driving vision assessment with your local optician. It is a quick, straightforward check that could prevent a life-changing situation.
Who needs a dvla / driving vision test?
- Learner drivers preparing for their practical driving test
- Drivers who have received a notice from the DVLA to have their vision checked
- Anyone who suspects their eyesight may no longer meet the driving standard
- Older drivers wanting reassurance that they still meet the legal requirement
- Professional drivers (HGV, bus, taxi, coach) who must meet higher visual standards
- Drivers returning to the road after eye surgery or an eye condition
What to expect during a dvla / driving vision test
- 1A number plate reading test at 20 metres to replicate the DVLA requirement
- 2A visual acuity test using a letter chart to measure your eyesight in clinical terms
- 3A visual field assessment to check your peripheral vision meets the driving standard
- 4If you wear glasses or contact lenses, the tests are carried out with your correction in place
- 5Your optometrist will advise whether you meet the standard and whether any action is needed
- 6A letter or certificate can be provided for the DVLA if requested
How much does it cost?
£15–£30 as a standalone test. May be included as part of a standard eye test at no additional cost
How often should you have this test?
Before your first driving test and whenever you have concerns about your eyesight. No routine interval required by law, but testing every 2 years as part of a standard eye test is advisable