RT Journal Article SR Electronic T1 The World's Eye JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 403 OP 403 DO 10.1136/bjo.67.6.403-b VO 67 IS 6 A1 P. D. Trevor-Roper YR 1983 UL http://bjo.bmj.com/content/67/6/403.3.abstract AB