RT Journal Article SR Electronic T1 System of Ophthalmology JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 858 OP 858 DO 10.1136/bjo.56.11.858 VO 56 IS 11 YR 1972 UL http://bjo.bmj.com/content/56/11/858.1.abstract AB