RT Journal Article SR Electronic T1 Meningioma of the optic nerve. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 265 OP 269 DO 10.1136/bjo.57.4.265 VO 57 IS 4 A1 S Shuangshoti YR 1973 UL http://bjo.bmj.com/content/57/4/265.abstract AB