PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.16.4.229 DP - 1932 Apr 01 TA - British Journal of Ophthalmology PG - 229--244 VI - 16 IP - 4 4099 - http://bjo.bmj.com/content/16/4/229.short 4100 - http://bjo.bmj.com/content/16/4/229.full SO - Br J Ophthalmol1932 Apr 01; 16