WATERTOWN, Mass.--(BUSINESS WIRE)--pSivida Corp. (NASDAQ:PSDV) (ASX:PVA), a leader in the development of ophthalmic sustained release drug delivery products, today said that a recently-published peer reviewed scientific paper showed that a sustained release Durasert drug delivery device releasing the steroid fluocinolone acetonide (FA) in the back of the eye preserved retinal function in a retinitis pigmentosa model.