RT Journal Article SR Electronic T1 Safe mydriasis. JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 690 OP 692 DO 10.1136/bjo.54.10.690 VO 54 IS 10 A1 Mapstone, R YR 1970 UL http://bjo.bmj.com/content/54/10/690.abstract AB