PT - JOURNAL ARTICLE AU - Richard Keeler AU - Arun Singh AU - Harminder Dua TI - Focimeter DP - 2008 May 01 TA - British Journal of Ophthalmology PG - 593--593 VI - 92 IP - 5 4099 - http://bjo.bmj.com/content/92/5/593.short 4100 - http://bjo.bmj.com/content/92/5/593.full SO - Br J Ophthalmol2008 May 01; 92