Abstract: A contact lens storage case comprising a case body including a pair of chambers for containing contact lenses therein, and a pair of lids for closing and opening the chambers, wherein inner faces of the chambers of the case body are formed by a synthetic resin including a silver based inorganic antimicrobic agent comprising a silver based compound carried on an inorganic carrier selected from the group consisting of a zeolite, a water soluble glass, zirconium phosphate, silica gel and activated charcoal. The contact lens storage case inhibits acanthamoeba.