RT Journal Article SR Electronic T1 Ophthalmological Society of the United Kingdom 74th Annual Congress, 1954 JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 442 OP 443 DO 10.1136/bjo.38.7.442-a VO 38 IS 7 YR 1954 UL http://bjo.bmj.com/content/38/7/442.2.abstract AB