PT - JOURNAL ARTICLE ED - , TI - ANSWERS AID - 10.1136/bjo.2007.134106a DP - 2008 Sep 01 TA - British Journal of Ophthalmology PG - 1292--1292 VI - 92 IP - 9 4099 - http://bjo.bmj.com/content/92/9/1292.short 4100 - http://bjo.bmj.com/content/92/9/1292.full SO - Br J Ophthalmol2008 Sep 01; 92