BUSINESS: Retailers Key Optical Players Ranked By U.S. Sales in Calendar 2008 By CATHY CICCOLELLA SENIOR EDITOR Monday, May 18, 2009 12:10 AM RELATED CONTENT Cover Story: Top 50 U.S. Optical Retailers 2009 Mass Merchants, Clubs Show Gains Despite Economy Leading Mass Merchants, Clubs With Optical Departments Top 10 Snapshots Top 50 Methodology Top 50 Retailers Listed Alphabetically Top Optical 50 Retailers’ Sales Hold Strong in 2008