RT Journal Article SR Electronic T1 BJO at a glance JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 563 OP 563 VO 91 IS 5 A1 Hoyt, Creig YR 2007 UL http://bjo.bmj.com/content/91/5/563.2.abstract AB