On your Practical Driving Test, you will be required to read a number plate with a distance of:
20 metres for vehicles with new-style number plate (starting with two letters followed by two numbers)
20.5 metres for vehicles with old style number plates
If after three attempts (on different vehicles) your examiner is satisfied that you do not meet the minimum eyesight requirements due to you not being able to read the number plates from the required distance, your test will be terminated. If you don’t speak English, your examiner will allow you to write down what you see.
Minimum eyesight requirements and the law
If you need to wear glasses or contact lenses for driving, these must not be removed at any time whilst driving, even when carrying out a reverse manoeuvre.
If you accidentally forget your glasses or bring the incorrect pair you MUST NOT drive under any circumstances.
What happens if I don’t meet the minimum eyesight requirements?
If you do not meet the minimum eyesight requirements for driving, unfortunately, your licence will be revoked, and the examiner will ask you to sign a form declaring that you were unable to meet the minimum eyesight requirement and the DVLA will be notified. You will then need to reapply for your provisional driving licence.