The purpose is to provide a silicone compound which is well compatible with polymerizable silicone monomers and other polymerizable monomers to provide a polymer having high oxygen permeability, excellent hydrophilicity and anti-staining property, excellent dimension stability, and enough durability of mechanical strength not to deteriorate in a phosphate buffer solution. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the Patent and Trademark Office patent files or records, but reserves all other copyrights whatsoever. The compartments maintain their respective contents separately from one another for purposes of transport, storage andor sterilization. With an operation input accepted from the user by an operation inputting device unit, a display controlling unit causes a displaying unit to display the picture designated image selected by the operation input while effecting transition from the current display status retained in a status holding unit. In addition, the storage subsystem includes a redundancy controller that may be configured to implement N+K redundancy.