RT Journal Article SR Electronic T1 TWO CASES OF ORTHOPTIC INTEREST JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 429 OP 432 DO 10.1136/bjo.26.9.429 VO 26 IS 9 A1 T. Keith Lyle YR 1942 UL http://bjo.bmj.com/content/26/9/429.abstract AB