PT - JOURNAL ARTICLE ED - BMJ Publishing Group Ltd.BMA House, Tavistock Square, London, WC1H 9JR TI - Railwaymen's Sight AID - 10.1136/bjo.3.8.366 DP - 1919 Aug 01 TA - British Journal of Ophthalmology PG - 366--368 VI - 3 IP - 8 4099 - http://bjo.bmj.com/content/3/8/366.short 4100 - http://bjo.bmj.com/content/3/8/366.full SO - Br J Ophthalmol1919 Aug 01; 3