PT - JOURNAL ARTICLE ED - , TI - CORRIGENDA AID - 10.1136/bjo.42.4.254 DP - 1958 Apr 01 TA - British Journal of Ophthalmology PG - 254--254 VI - 42 IP - 4 4099 - http://bjo.bmj.com/content/42/4/254.short 4100 - http://bjo.bmj.com/content/42/4/254.full SO - Br J Ophthalmol1958 Apr 01; 42