PT - JOURNAL ARTICLE ED - , AID - 10.1136/bjo.85.5.634 DP - 2001 May 01 TA - British Journal of Ophthalmology PG - 634--634 VI - 85 IP - 5 4099 - http://bjo.bmj.com/content/85/5/634.short 4100 - http://bjo.bmj.com/content/85/5/634.full SO - Br J Ophthalmol2001 May 01; 85