RT Journal Article SR Electronic T1 Glaucoma screening JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 827 OP 827 DO 10.1136/bjo.77.12.827-b VO 77 IS 12 A1 Sue Grindey YR 1993 UL http://bjo.bmj.com/content/77/12/827.3.abstract AB