RT Journal Article SR Electronic T1 CORRESPONDENCE JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 46 OP 47 DO 10.1136/bjo.11.1.46 VO 11 IS 1 A1 Pedant YR 1927 UL http://bjo.bmj.com/content/11/1/46.abstract AB