PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - CORRECTION AID - 10.1136/bjo.2004.043406corr1 DP - 2004 Oct 01 TA - British Journal of Ophthalmology PG - 1355--1355 VI - 88 IP - 10 4099 - http://bjo.bmj.com/content/88/10/1355.2.short 4100 - http://bjo.bmj.com/content/88/10/1355.2.full SO - Br J Ophthalmol2004 Oct 01; 88