RT Journal Article SR Electronic T1 TRAINING IN ORTHOPTICS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 220 OP 221 DO 10.1136/bjo.21.4.220-a VO 21 IS 4 A1 Charles Leonard Gimblett YR 1937 UL http://bjo.bmj.com/content/21/4/220.2.abstract AB