ALEXANDRIA, Va., July 9 -- United States Patent no. 12,353,112, issued on July 8, was assigned to e-Vision Smart Optics Inc. (Sarasota, Fla.).

"Fast electroactive lens switching systems and methods" was invented by Anthony Van Heugten (Sarasota, Fla.) and Yingfei Jiang (Sarasota, Fla.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A conventional liquid crystal lens switches on and off so slowly that a person can perceive the lens's gradual transition from high to low optical power. This makes a conventional liquid crystal lens unsuitable for focusing virtual images quickly in an augmented, mixed, or virtual reality system. Conversely, an inventive fast-switching electroactive lens system can switch so fast (...