DVLA rules are in place to keep drivers in safe and sound stead while on the road, and among them lay requirements which ensure that all motorists can see clearly behind the wheel.
While those who suffer vision issues may already be aware of the rules which in-turn determine eyesight standards for drivers, the official guidelines state that all motorists should be regularly taking a test to check their eyesight.
The number plate test in question takes a couple of seconds, and doesn't require the person undertaking it to visit an options or to have any special equipment.