PT - JOURNAL ARTICLE ED - , TI - ABSTRACTS AID - 10.1136/bjo.25.12.579 DP - 1941 Dec 01 TA - British Journal of Ophthalmology PG - 579--587 VI - 25 IP - 12 4099 - http://bjo.bmj.com/content/25/12/579.short 4100 - http://bjo.bmj.com/content/25/12/579.full SO - Br J Ophthalmol1941 Dec 01; 25