PT - JOURNAL ARTICLE ED - , TI - Corrigendum AID - 10.1136/bjo.28.12.647 DP - 1944 Dec 01 TA - British Journal of Ophthalmology PG - 647--647 VI - 28 IP - 12 4099 - http://bjo.bmj.com/content/28/12/647.short 4100 - http://bjo.bmj.com/content/28/12/647.full SO - Br J Ophthalmol1944 Dec 01; 28