PT - JOURNAL ARTICLE AU - Ferree, C. E. AU - Rand, G. TI - INTENSITY OF LIGHT IN RELATION TO THE EXAMINATION OF THE EYE AID - 10.1136/bjo.20.6.331 DP - 1936 Jun 01 TA - British Journal of Ophthalmology PG - 331--346 VI - 20 IP - 6 4099 - http://bjo.bmj.com/content/20/6/331.short 4100 - http://bjo.bmj.com/content/20/6/331.full SO - Br J Ophthalmol1936 Jun 01; 20