SACRAMENTO, Calif.--(BUSINESS WIRE)--Ophthalmic Imaging Systems (OIS) (OTCBB:OISI - News), a leading digital imaging company, announced today it issued $2.75 million of 6.5% convertible notes due 2010 in a transaction led by The Tail Wind Fund Ltd. OIS expects to use the net proceeds from the offering of the notes to fund potential future acquisitions.
