RT Journal Article SR Electronic T1 Sights and Sounds in Ophthalmology JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 68 OP 68 DO 10.1136/bjo.67.1.68-b VO 67 IS 1 A1 David W. Hill YR 1983 UL http://bjo.bmj.com/content/67/1/68.3.abstract AB