Lorcan Butler is an UK Optometrist working with The Brain Tumour Charity. Lorcan is a keen advocate of upskilling optometrists on early detection methods of brain tumours detectable in an eye exam. Lorcan has presented extensively to optometrists over the past 3 years in all parts of the UK & Ireland at numerous Optical organisations and conferences. Lorcan has had numerous articles published in the UK Industry Press on papilloedema vs pseudopapilloedmea, and non glaucomatous optic neuropathies such as Optic Neuritis, Ischaemic Optic Neuropathies and differential diagnosis of swollen optic nerves. This will be Lorcan's 2nd time presenting at EAOO, where he presented both lectures and workshops at EAOO Dublin 2022.