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 InSite Vision Inc. (“InSite Vision” or the “Company”) (OTC: INSV) relating to the proposed buyout of the Company by QLT Inc. Under the terms of the transaction, InSite Vision shareholders are anticipated to receive 0.048 shares of QLT for each share o