RT Journal Article SR Electronic T1 ANSWERS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1368 OP 1368 DO 10.1136/bjo.2008.139121a VO 92 IS 10 YR 2008 UL http://bjo.bmj.com/content/92/10/1368.abstract AB