PT - JOURNAL ARTICLE AU - Wayne Kondro TI - Everything in moderation, including vision AID - 10.1503/cmaj.109-4174 DP - 2012 May 15 TA - Canadian Medical Association Journal PG - E384--E386 VI - 184 IP - 8 4099 - http://www.cmaj.ca/content/184/8/E384.short 4100 - http://www.cmaj.ca/content/184/8/E384.full SO - CMAJ2012 May 15; 184