This article contains some Tips For Drivers With Poor Eyesight.
You should always wear glasses or contact lenses while driving, if you need them. Optometrists also recommend:
You always carry a spare pair of glasses or lenses with you, especially on long journeys or when driving abroad
Some styles of glasses are better for driving than others. For example, a thin rim and high sides to improve all-round vision
Plastic or polycarbonate lenses are less likely than glass to shatter in an accident