EyePoint Pharmaceuticals Inc. is a Watertown, Massachusetts company specialising in the application of microelectromechanical systems and nanotechnology to drug delivery. pSivida obtained porous silicon technology from the British government Defence Evaluation and Research Agency. QinetiQ continues to be a strategic partner. In June 2004, pSivida acquired full ownership of pSiMedica. In April 2018, pSivida purchased eye products firm Icon Bioscience. Afterwards, it rebranded to its current name of EyepOint Pharmaceuticals, Inc. Wikipedia