Enzymatic degradation of colorant in lens care solutions

摘要

The present invention provides a lens care kit for disinfecting and cleaning contact lenses. The lens care kit of the invention comprises a colored lens care solution including a colored protein and a proteolytic enzyme. The kit of the invention allows customers to visually identify when their lenses are disinfected, clean, and ready to wear. The invention relies upon a color change to indicate the completion of disinfection and cleaning of contact lenses.