RT Journal Article SR Electronic T1 THE VERTEBRATE EYE JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 138 OP 139 DO 10.1136/bjo.27.3.138 VO 27 IS 3 A1 Henderson, Thomson YR 1943 UL http://bjo.bmj.com/content/27/3/138.abstract AB