US Patent Issued to LARGAN MEDICAL on April 21 for "Contact lens product" (Taiwanese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,607,877, issued on April 21, was assigned to LARGAN MEDICAL Co. LTD. (Taichung City, Taiwan).

"Contact lens product" was invented by En-Ping Lin (Taichung City, Taiwan), Wei-Yuan Chen (Taichung City, Taiwan) and Chun-Hung Teng (Taichung City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region. A diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is immersed in the b...