NicolaHerbison, DaisyMacKeith, AnthonyVivian, JonPurdy, ApostolosFakis, Isabel MAsh, Sue VCobb, Richard MEastgate, Stephen MHaworth, Richard MGregson, Alexander JEFoss
British Journal of Ophthalmology Nov 2016, 100 (11) 1511-1516; DOI: 10.1136/bjophthalmol-2015-307798