RT Journal Article SR Electronic T1 Simplified Near Point Rule JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 52 OP 53 DO 10.1136/bjo.39.1.52 VO 39 IS 1 A1 Foster, John YR 1955 UL http://bjo.bmj.com/content/39/1/52.abstract AB