RT Journal Article SR Electronic T1 Update on patient safety JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1183 OP 1184 DO 10.1136/bjophthalmol-2011-300538 VO 95 IS 9 A1 Simon P Kelly YR 2011 UL http://bjo.bmj.com/content/95/9/1183.abstract AB