Fully done Vision Report form if your eyesight issue has changed since former application. This must be finished and signed by a medical practitioner/optician and submitted within 1 month of completion When you now keep a Northern Ireland driving licence and you know your driver number (shown about the paper https://northernirelanddrivinglic92467.aioblogs.com/85120121/5-essential-elements-for-can-i-get-an-irish-driving-licence