ALEXANDRIA, Va., Sept. 15 -- United States Patent no. 12,736,714, issued on Sept. 15, was assigned to Alcon Inc. (Fribourg, Switzerland).

"Sandwiched colored hydrogel contact lenses" was invented by Robert Carey Tucker (Johns Creek, Ga.), Pushkar S. Varde (Athens, Ga.), Weihong Lang (Suwanee, Ga.) and Paul William Oyler (Cumming, Ga.).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention is directed to a sandwiched colored hydrogel contact lenses lens, comprising: a pupil section, a generally annular iris section surrounding the pupil section, wherein the iris section having at least one colored, printed, opaque, intermittent pattern, wherein the said pattern is covered by a clear donut shape layer sha...