PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.9.5.244 DP - 1925 May 01 TA - British Journal of Ophthalmology PG - 244--249 VI - 9 IP - 5 4099 - http://bjo.bmj.com/content/9/5/244.short 4100 - http://bjo.bmj.com/content/9/5/244.full SO - Br J Ophthalmol1925 May 01; 9