RT Journal Article SR Electronic T1 CORRESPONDENCE JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 696 OP 696 DO 10.1136/bjo.19.12.696 VO 19 IS 12 A1 Paton, Leslie YR 1935 UL http://bjo.bmj.com/content/19/12/696.1.abstract AB