RT Journal Article SR Electronic T1 Yoga can be dangerous—glaucomatous visual field defect worsening due to postural yoga JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 1413 OP 1414 DO 10.1136/bjo.2007.114546 VO 91 IS 10 A1 Bertschinger, Dimiter Robert A1 Mendrinos, Efstratios A1 Dosso, André YR 2007 UL http://bjo.bmj.com/content/91/10/1413.abstract AB