US Patent Issued to LARGAN MEDICAL on May 13 for "Multifocal contact lens and contact lens product" (Taiwanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,602, issued on May 13, was assigned to LARGAN MEDICAL Co. LTD. (Taichung, Taiwan).

"Multifocal contact lens and contact lens product" was invented by En-Ping Lin (Taichung, Taiwan), Wei-Yuan Chen (Taichung, Taiwan) and Chun-Hung Teng (Taichung, 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 is immersed in the buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region, and a diopter of the annular region is different from a diopte...