US Patent Issued to Brien Holden Vision Institute on May 27 for "Optical apparatus with structure for liquid invariant performance" (Israeli Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,313,916, issued on May 27, was assigned to Brien Holden Vision Institute Ltd. (Sydney).

"Optical apparatus with structure for liquid invariant performance" was invented by Zeev Zalevsky (Rosh HaAyin, Israel) and Ofer Limon (Kfar-Saba, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase-adjusting element configured to provide substantially liquid-invariant extended depth of field for an associated optical lens. One example of a lens incorporating the phase-adjusting element includes the lens having surface with a modulated relief defining a plurality of regions including a first region and a second region, the first region having a depth relati...