RT Journal Article SR Electronic T1 Visual Fields via the Visual Pathway JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 845 OP 845 DO 10.1136/bjo.2006.107987 VO 91 IS 6 A1 Spry, Paul G D YR 2007 UL http://bjo.bmj.com/content/91/6/845.2.abstract AB