What power do the police have to test my eyesight?

There has been much ado in the press about police forces undertaking random eyesight checks on motorists and revoking licences at the roadside. So, what are their powers? Can the police stop me? Under section 163 of the Road Traffic Act 1988 a police officer in uniform has the power to require a driver of a vehicle on a road to stop. It is an offence to fail to comply with such a request. Does...Read More