Drug-Dispensing, Color-Changing Contact Lenses
November 27, 2018 | Terry Sharrer

Color changing drug delivery contact lens
“The prototype dye-free lens was made via a process known as molecular imprinting – this involves creating tiny cavities within a material that match the size and shape of the molecules of a specific compound. In this case, the material was a polymer, and the compound was timolol, which is a drug that’s used to treat glaucoma.” As the timolol is released, the iris area of the lens turns blue. MORE
Image Credit: American Chemical Society