If you failed the number plate reading test at the start of your driving practical test, your test was terminated immediately. This is disappointing, but the legal eyesight standard exists for a very important reason — safe driving requires clear vision. Here is what to do next.
Your first step should be to book an eye test with an optician as soon as possible. Tell them you failed the driving test eyesight check so they can specifically assess whether your vision meets the DVLA standard. The legal requirement is that you must be able to read a number plate from 20 metres. In clinical terms, this broadly equates to a visual acuity of 6/12 (or 0.5 on the decimal scale) with both eyes open, using glasses or contact lenses if you need them.
If the optometrist finds you need glasses or contact lenses to meet the driving standard, they will prescribe them, and you must wear them every time you drive — this is a legal requirement, not optional. Once you have your new glasses or contacts, you can rebook your practical driving test. There is no special waiting period or additional requirement beyond having corrected vision that meets the standard.
If the optometrist finds that your vision cannot be corrected to the driving standard even with glasses or contact lenses, you must inform the DVLA. Driving with vision below the legal standard is an offence that can result in a fine of up to £1,000, three penalty points, and potentially criminal charges if you cause an accident. Your optometrist will advise you on the next steps, which may include referral to a hospital eye specialist for further investigation.
It is worth noting that many people who fail the number plate test simply need glasses they did not know they needed. A straightforward prescription for distance vision can often solve the problem completely, allowing you to rebook your test and pass with confidence. The cost of an eye test and basic glasses is minimal compared to the importance of safe driving.