RT Journal Article SR Electronic T1 Neurology and Neurobiology JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 555 OP 556 DO 10.1136/bjo.69.7.555-c VO 69 IS 7 A1 B P Hayes YR 1985 UL http://bjo.bmj.com/content/69/7/555.4.abstract AB