US Patent Issued to Brien Holden Vision Institute on Aug. 18 for "Ophthalmic lenses utilizing binary amplitude modulation" (American, Australian Inventors)

ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,668, issued on Aug. 18, was assigned to Brien Holden Vision Institute Ltd. (Sydney).

"Ophthalmic lenses utilizing binary amplitude modulation" was invented by Arthur Back (Danville, Calif.) and Ravi Chandra Bakaraju (Sydney).

According to the abstract* released by the U.S. Patent & Trademark Office: "An ophthalmic lens for myopia control comprising patterns or masks which block and/or attenuate light (e.g., by amplitude modulation). The amplitude modulation may be binary, for example, where zero amplitude means absorption or blocking of light and a value of one means that light may be transmitted through the lens without change (e.g., without significant change). Alternatively, i...