RT Journal Article SR Electronic T1 O. Gayer Morgan, MA, MCh, FRCS JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 871 OP 871 DO 10.1136/bjo.65.12.871 VO 65 IS 12 YR 1981 UL http://bjo.bmj.com/content/65/12/871.abstract AB