Sections Home Search Olympics|Eye Infection Forces Costas to Step Aside From Olympics Coveragehttp://nyti.ms/M8TBQnSee next articlesSee previous articles Home Page World U.S. New York Business Opinion Sports Science Arts Fashion & Style Crosswords Video Olympics The infection in Bob Costass left eye appeared Thursday and spread to his right eye Sunday. When he woke up Tuesday in Sochi, Russia, with his eyes swollen and crusted shut, he told NBC that he could not host that nights prime-time Olympics broadcast. Both eyes were red and angry on Sunday and Monday, Costas said by telephone Tuesday morning. Matt Lauer, who is in Sochi as a co-host of Today, will fill in. Costas has been wearing glasses, instead of contact lenses, since NBCs Winter Olympic coverage began Thursday night. It was increasingly uncomfortable with each passing night, but I could cope with it, he said. But last night until today, it got to where I couldnt look in the bathroom light without squinting...