PT - JOURNAL ARTICLE ED - , AID - 10.1136/bjo.84.7.681 DP - 2000 Jul 01 TA - British Journal of Ophthalmology PG - 681--681 VI - 84 IP - 7 4099 - http://bjo.bmj.com/content/84/7/681.short 4100 - http://bjo.bmj.com/content/84/7/681.full SO - Br J Ophthalmol2000 Jul 01; 84