PT - JOURNAL ARTICLE ED - , TI - Education AID - 10.1136/bjo.2007.129510a DP - 2009 Apr 01 TA - British Journal of Ophthalmology PG - 548--548 VI - 93 IP - 4 4099 - http://bjo.bmj.com/content/93/4/548.short 4100 - http://bjo.bmj.com/content/93/4/548.full SO - Br J Ophthalmol2009 Apr 01; 93