An object of the present invention is to provide a nucleated tablet for contact lens (CL) cleaning that makes it possible to disinfect a CL simply and easily in the presence of a foaming component a CL cleaning preparation that contains the nucleated tablet and a method for cleaning a CL. The nucleated tablet for CL cleaning of the invention is a nucleated tablet including an outer shell that contains iodine-based bactericide, a carbonate, an organic acid, and a surfactant having, per partial weight of 2000 out of the molecular weight thereof, less than one hydroxyl group, and an inner nucleus that contains a neutralizing agent, a carbonate, an organic acid, and a surfactant, wherein the inner nucleus is coated for extended release.
