RT Journal Article SR Electronic T1 Miners' Nystagmus JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 189 OP 190 DO 10.1136/bjo.4.4.189-a VO 4 IS 4 YR 1920 UL http://bjo.bmj.com/content/4/4/189.2.abstract AB