PT - JOURNAL ARTICLE ED - , TI - CORRIGENDUM AID - 10.1136/bjo.2.9.496 DP - 1918 Sep 01 TA - British Journal of Ophthalmology PG - 496--496 VI - 2 IP - 9 4099 - http://bjo.bmj.com/content/2/9/496.short 4100 - http://bjo.bmj.com/content/2/9/496.full SO - Br J Ophthalmol1918 Sep 01; 2