PT - JOURNAL ARTICLE AU - N Congdon TI - Self assessed benefit of cataract extraction AID - 10.1136/bjo.2005.068114 DP - 2005 Aug 01 TA - British Journal of Ophthalmology PG - 931--931 VI - 89 IP - 8 4099 - http://bjo.bmj.com/content/89/8/931.1.short 4100 - http://bjo.bmj.com/content/89/8/931.1.full SO - Br J Ophthalmol2005 Aug 01; 89