RT Journal Article SR Electronic T1 PRACTICAL SYMPATHY FOR THE BLINDED JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 266 OP 271 DO 10.1136/bjo.4.6.266 VO 4 IS 6 A1 Peirson-Webber, Francis P. YR 1920 UL http://bjo.bmj.com/content/4/6/266.abstract AB