ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,721,518, issued on Sept. 1.
"Eye scopes" was invented by Leonard Zheleznyak (Pittsford, N.Y.) and John Weberg (Reno, Nev.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Scopes for viewing interior chambers of the eye include a refractive hydrogel polymer button formed by femtosecond laser micro-machining. The refractive button is sandwiched between two transparent plates and mounted on an ocular adapted to be placed directly on the cornea. A physician may look directly through the scope to see anatomical structures at very steep angles within the eye, such as to function as a gonioscope when viewing the anterior chamber angle. The scopes can be modified...