RT Journal Article SR Electronic T1 Blindness in the eastern Mediterranean countries JF British Journal of Ophthalmology JO Br J Ophthalmol FD BMJ Publishing Group Ltd. SP 771 OP 775 DO 10.1136/bjo.85.7.771 VO 85 IS 7 A1 Khalid F Tabbara YR 2001 UL http://bjo.bmj.com/content/85/7/771.abstract AB