RT Journal Article SR Electronic T1 Correction JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 713 OP 713 DO 10.1136/bjophthalmol-2012-302524corr1 VO 98 IS 5 YR 2014 UL http://bjo.bmj.com/content/98/5/713.1.abstract AB