RT Journal Article SR Electronic T1 ABSTRACTS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 150 OP 166 DO 10.1136/bjo.10.3.150 VO 10 IS 3 YR 1926 UL http://bjo.bmj.com/content/10/3/150.abstract AB