Alex Silvester is an ophthalmologist and medical director at SpaMedica and is a member of the Veonet International Medical Board. Alex has an interest in epidemiology and big data and is a member of the Vision Loss Expert Group which provides global technical leadership in the development of epidemiological estimates for blindness and visual impairment. Alex has published papers in high impact journals including the Lancet, the British Medical Journal and the British Journal of Ophthalmology. His work on reducing topical antibiotics following routine cataract surgery was shortlisted for a Public Health England Antibiotic Guardian award. He regularly presents at international conferences on improving cataract surgery outcomes, risk stratification, and clinical governance, most recently at the European Society of Cataract and Refractive Surgeons and the American Academy of Ophthalmology.