You can be fined up to £1,000 if you don’t tell DVLA about a medical condition that affects your driving. You may be prosecuted if you’re involved in an accident as a result.
Car or motorbike licence
You must tell DVLA if you have diplopia (double vision).
You can tell DVLA:
You can only report one condition using the online option.
Bus, coach or lorry licence
Fill in form V1V and send it to DVLA. The address is on the form.