O’FALLON, Mo.--(BUSINESS WIRE)--Synergetics USA, Inc. (NASDAQ: SURG), a leading microsurgical device company, announced today that it has filed a civil, antitrust lawsuit in the United States District Court for the Southern District of New York, docket number 08-CV-3669, against Swiss-based Alcon, Inc. and its primary operating subsidiary in the U.S., Alcon Laboratories, Inc. Synergetics asserts that it has suffered losses in the tens of millions of dollars resulting from Alcon’s alleged unfair practices and seeks a recovery that it believes could exceed $100 million.