ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,433,789, issued on Oct. 7, was assigned to Carl Zeiss Meditec AG (Jena, Germany).

"Treatment apparatus for operatively correcting defective vision of an eye, method for generating control data therefor, and method for operatively correcting defective vision of an eye" was invented by Mark Bischoff (Jena, Germany), Gregor Stobrawa (Jena, Germany) and Wilfried Bissmann (Jena, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A treatment device for the surgical correction of hyperopia in the eye comprising a laser device controlled by a control device. The laser device separating corneal tissue by applying laser radiation. The control device controls t...