RT Journal Article SR Electronic T1 ABSTRACTS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 403 OP 412 DO 10.1136/bjo.10.7.403 VO 10 IS 7 YR 1926 UL http://bjo.bmj.com/content/10/7/403.abstract AB