The organizers of Vision Expo, Reed Exhibitions and the Vision Council of America, have decided to hold its September session for the Western par of the US mrket in Las Vegas through the year 2003. For this year's event on Sept. 14-17, Vision Expo has put out a redesigned website, www.vision.reedexpo.com, which allows among online registration and a preview of new products. Exhibitors can personally update their company profiles and make their own hotel and travel arrangements through the site.