BOSTON & PERTH, Australia--(BUSINESS WIRE)--pSivida Limited (NASDAQ:PSDV)(ASX:PSD)(Xetra:PSI) announced that it closed the first tranche of its previously reported registered direct offering. Net of placement agents’ commissions, the Company received approximately US$10.7 million (A$12.5 million) in proceeds from the first tranche of the offering, which related to 9,202,000 units.