If not wearing the contact lenses immediately, store your lenses in ordinary saline in the place of Clear Conscience Multi-Purpose Solutions. Clear Conscience Multi Purpose Solution For Soft Contact Lenses 12 fl oz Sterile. For Silicone Hydrogel, Rigid Gas Permeable and Soft Contact Lenses.Use only fresh Clear Conscience Multi-Purpose (contact lens) Solution each time you soak (store) your lenses.