RT Journal Article SR Electronic T1 ABSTRACTS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 71 OP 87 DO 10.1136/bjo.5.2.71 VO 5 IS 2 YR 1921 UL http://bjo.bmj.com/content/5/2/71.abstract AB