Working principle of multifunctional contact lenses. (IMAGE)
Caption
a Chemical structure of photochromic and thermochromic powders (LEFT) spiropyran structured material (colorless) switching to merocyanine (colored) and (RIGHT) Fluoran leuco dyes at protonated and deprotonated states. b Schematic of the lenses’ fabrication process. c Multifunctional contact lenses under different stimuli
Credit
by A Salih, and H. Butt
Usage Restrictions
Credit must be given to the creator.
License
CC BY