PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.14.9.464 DP - 1930 Sep 01 TA - British Journal of Ophthalmology PG - 464--473 VI - 14 IP - 9 4099 - http://bjo.bmj.com/content/14/9/464.short 4100 - http://bjo.bmj.com/content/14/9/464.full SO - Br J Ophthalmol1930 Sep 01; 14