PT - JOURNAL ARTICLE AU - Lawford, J. B. TI - CORRESPONDENCE AID - 10.1136/bjo.13.3.154 DP - 1929 Mar 01 TA - British Journal of Ophthalmology PG - 154--154 VI - 13 IP - 3 4099 - http://bjo.bmj.com/content/13/3/154.short 4100 - http://bjo.bmj.com/content/13/3/154.full SO - Br J Ophthalmol1929 Mar 01; 13