Drivers are now reminded to have an eye test when they renew their photocard every 10 years but there's still no legal requirement to have one after you initially read that number plate in your test.
This means a 17-year-old may continue behind the wheel for the rest of their life with no further checks.
Seven people were killed and 63 seriously injured in accidents on UK roads in 2016 when “uncorrected, defective eyesight” was a contributory factor, data shows.
The law states that driver's must be able to read a clean number plate You must be able to read (with glasses or contact lenses, if necessary) a car number plate made after 1 September 2001 from 20 metres. Pre 1 September number plates were a little larger and should be read from a distance of 20.5 metres.