PT - JOURNAL ARTICLE ED - , TI - The Problem of Glaucoma AID - 10.1136/bjo.23.9.634 DP - 1939 Sep 01 TA - British Journal of Ophthalmology PG - 634--634 VI - 23 IP - 9 4099 - http://bjo.bmj.com/content/23/9/634.1.short 4100 - http://bjo.bmj.com/content/23/9/634.1.full SO - Br J Ophthalmol1939 Sep 01; 23