PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.1.9.555 DP - 1917 Sep 01 TA - British Journal of Ophthalmology PG - 555--585 VI - 1 IP - 9 4099 - http://bjo.bmj.com/content/1/9/555.short 4100 - http://bjo.bmj.com/content/1/9/555.full SO - Br J Ophthalmol1917 Sep 01; 1