PT - JOURNAL ARTICLE ED - , TI - Night-blindness AID - 10.1136/bjo.3.6.258 DP - 1919 Jun 01 TA - British Journal of Ophthalmology PG - 258--258 VI - 3 IP - 6 4099 - http://bjo.bmj.com/content/3/6/258.1.short 4100 - http://bjo.bmj.com/content/3/6/258.1.full SO - Br J Ophthalmol1919 Jun 01; 3