PT - JOURNAL ARTICLE AU - Ken Flegel AU - Noni E. MacDonald AU - Matthew B. Stanbrook AU - Astika Kappagoda AU - Paul C. Hébert TI - Preventing blindness: seeing is believing AID - 10.1503/cmaj.111480 DP - 2012 Jan 10 TA - Canadian Medical Association Journal PG - E1--E2 VI - 184 IP - 1 4099 - http://www.cmaj.ca/content/184/1/E1.short 4100 - http://www.cmaj.ca/content/184/1/E1.full SO - CMAJ2012 Jan 10; 184