PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - Correction AID - 10.1136/bjophthalmol-2013-303276corr1 DP - 2014 Dec 01 TA - British Journal of Ophthalmology PG - 1764--1764 VI - 98 IP - 12 4099 - http://bjo.bmj.com/content/98/12/1764.short 4100 - http://bjo.bmj.com/content/98/12/1764.full SO - Br J Ophthalmol2014 Dec 01; 98