RT Journal Article SR Electronic T1 Neuro-ophthalmology JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 191 OP 200 DO 10.1136/practneurol-2011-000015 VO 11 IS 3 A1 Simon J Hickman YR 2011 UL http://pn.bmj.com/content/11/3/191.abstract AB