STEVENSON, Md.--(BUSINESS WIRE)--The securities litigation law firm of Brower Piven, A Professional Corporation, has commenced an investigation into possible breaches of fiduciary duty and other violations of state law by the Board of Directors of Synergetics USA, Inc. (NasdaqCM: SURG) (“Synergetics” or the “Company”) relating to the proposed buyout of the Company by Valeant Pharmaceuticals International, Inc. Under the terms of the transaction, Synergetics shareholders are anticipated to recei