Close Are you wearing contacts correctly? Roughly 41 million people in the world wear contacts, according to the CDC. Those reports state between 40-90 percent of contact wearers don't use them correctly. KXTV 7:46 AM. PST November 28, 2016 TRENDING VIDEOS Family, friends mourn over slain Antelope woman Shasta County mom missing since Nov. 2 found alive Are you wearing contacts correctly? Authorities search for missing teenagers Black Friday chaos in Modesto More Stories Officials say up to 40 may be dead in fire Dec. 3, 2016, 12:02 p.m. Police investigate fatal shooting of young mother,… Dec. 2, 2016, 7:56 p.m. Family and friends begin search for loved ones… Dec. 3, 2016, 1:11 p.m.