Contact Lenses Colored with Crystalline Colloidal Array Technology
- Detailed Technology Description
- None
- *Abstract
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A colored contact lens whose color is produced by Bragg diffraction incorporates a crystalline colloidal ordered array of particles to impart vivid sparkling color to the whole lens or a portion of the lens. In some embodiments, for example, only portions of the lens that would be located on the iris of the eye may be colored. The observed colorations are vibrant and sparkling, not only capable of enhancing the hue of a person's iris, but also capable of satisfactorily changing the color of the eyes of the wearer. A lens may be used solely for the cosmetic effects of color change or also to improve vision. As no dyes are involved, the lens cannot impart a coloration to the surface of the eye by the leaching of dye from the lens.
- *Principal Investigator
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Name: Sanford Asher, Distinguished Professor of Chemistry
Department: Chemistry
- Country/Region
- USA
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