Packaging arrangement for contact lenses

In a packaging arrangement for the sealed containment of at least one hydrophilic contact lens in a sterile aqueous solution;

• the improvement comprising at least one injection molded or thermo-formed plastic base member having a cavity for containing a contact lens immersed in said solution, said base member including a planar flange extending outwardly about the periphery of the outer edge of said cavity, said cavity consisting of an indentation extending from the plane of the upper surface of said flange, and a depending wall projecting downwardly from a bottom surface of said flange closely inwardly of the peripheral edges of said flange and extending about at least portions of the periphery of said flange, and wherein
• said depending wall comprises a groove formed in the upper surface of said flange,
• the upper surface of said flange has a raised surface area extending about said cavity,
• a seal is formed between a flexible cover sheet and at least the raised surface of said flange sealingly extending about the periphery of said cavity, and
• said cover sheet is pushed into the groove.