UK

You can be fined up to £1,000 if you don’t inform the DVLA about a medical condition that affects your driving. If you’re involved in an accident, you may be prosecuted.

Cassie’s Law – from January 2013 police are able to revoke a driver’s licence on the spot if the driver fails a basic road side sight test and meet the standards of vision required for driving.

Republic of Ireland

A driver should not drive while medically unfit to do so and can be convicted of an offence for doing so. Under Sections 32 and 48 of the Road Traffic Act 1961, drivers should be aware that there may be long-term financial, insurance and legal consequences where there is failure to report an impairment to their Driving Licensing Authority and insurance provider.