Lorcan Butler is a dispensing optician and optometrist working with The Brain Tumour Charity where he is responsible for aiding practitioners in identifying and managing patients with signs and symptoms that may be associated with a brain tumour. Lorcan has spoken extensively at optical conferences throughout the UK and Ireland. He has worked with numerous optical bodies and organisations including the AOP, ABDO, Optometry Wales, Optometry Northern Ireland and the European Academy of Optometry & Optics.