RT Journal Article SR Electronic T1 ANSWERS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1008 OP 1008 DO 10.1136/bjo.2008.138495a VO 92 IS 7 YR 2008 UL http://bjo.bmj.com/content/92/7/1008.abstract AB