US Patent 10591746 Eyewear and methods for making eyewear

Conventional eyewear devices such as spectacles typically include one or more refractive lenses. Such lenses may be thick or bulky. According to an aspect of the disclosure, a metalens-based eyewear devices is provided. The eyewear device includes one or more lenses. Each lens comprises a substantially transparent lens body. Each lens further comprises at least one metalens integrated with the body. Each metalens comprises a respective substantially transparent substrate, and a respective plurality of subwavelength structures arranged on the substrate in a pattern to interact with visible light. The lens body may be planar. The lenses of such eyewear (including at least one metalens) may be thinner and/or lighter than conventional refractive lenses.