1. Academic Unit of Ophthalmology and Orthoptics Department of Oncology, School of Medicine and Biomedical Sciences, University of Sheffield, Royal Hallamshire Hospital, Sheffield, United Kingdom
2. Academic Unit of Ophthalmology and Orthoptics Department of Oncology, School of Medicine and Biomedical Sciences, University of Sheffield, Royal Hallamshire Hospital, Sheffield, United Kingdom 2Pathology and Clinical Laboratory, King Fahad Medical City, R
3. Academic Unit of Clinical Oncology, Weston Park Hospital, Sheffield, United Kingdom
4. Sheffield Ocular Oncology Service, Sheffield Teaching Hospitals, Royal Hallamshire Hospital, Sheffield, United Kingdom
5. Academic Unit of Ophthalmology and Orthoptics Department of Oncology, School of Medicine and Biomedical Sciences, University of Sheffield, Royal Hallamshire Hospital, Sheffield, United Kingdom 4Sheffield Ocular Oncology Service, Sheffield Teaching Hospita