Authors: Anthony J King; Gordon Fernie; Augusto Azuara-Blanco; Jennifer M Burr; Ted Garway-Heath; John M Sparrow; Luke Vale; Jemma Hudson; Graeme MacLennan; Alison McDonald; Keith Barton; John Norrie Journal: Br J Ophthalmol Date: 2017-10-26 Impact factor: 4.638