PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - ANSWERS AID - 10.1136/bjo.2008.139121a DP - 2008 Oct 01 TA - British Journal of Ophthalmology PG - 1368--1368 VI - 92 IP - 10 4099 - http://bjo.bmj.com/content/92/10/1368.short 4100 - http://bjo.bmj.com/content/92/10/1368.full SO - Br J Ophthalmol2008 Oct 01; 92