City St George's University, NIHR Moorfields Biomedical Research Centre, Government of the United Kingdom - Moorfields Eye Hospital, City St George's University, Homerton Healthcare NHS Foundation Trust, Homerton Healthcare NHS Foundation Trust, Homerton Healthcare NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Guy's and St Thomas' NHS Foundation Trust, Kingston University - School of Computer Science and Mathematics, Kingston University, Kingston University - School of Computer Science and Mathematics, affiliation not provided to SSRN, University College London - Institute of Ophthalmology, University College London - Institute of Ophthalmology, City St George's University, City St George's, University of London and City St George's University