Eyewear with chroma enhancement

摘要

The invention provides a curved polymeric eyewear comprising a lens body injection moulded around a laminated lens blank having one or more chroma enhancement dyes in one of the layers of the laminate. Some embodiments provide on or more of the layers of the laminate having an attenuation of 0.8 of visible light in the 440 to 490 nm band. In certain embodiments, the eyewear incorporates an optical filter eg polarizer that enhances chroma within one or more spectral bands. In certain embodiments, one or methods of production of incorporating the dyes in to the polymer are disclosed eg carbon dioxide solvent or dry colour blending.