RT Journal Article SR Electronic T1 Cataract and “Vision 2020—the right to sight” initiative JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 635 OP 637 DO 10.1136/bjo.85.6.635 VO 85 IS 6 A1 ALLEN FOSTER YR 2001 UL http://bjo.bmj.com/content/85/6/635.abstract AB