ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,508,192, issued on Dec. 30.
"Device and method for dry eye treatment" was invented by Aizhong Zhang (Rochester, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A dry eye treatment device, having a roller, a holder, wherein the roller contacts and rolls over an eyelid in a plurality of directions in a treatment; a heating element to generate heat, wherein at least a portion of the heat is transferred to the roller; a temperature monitoring system, which has a thermal sensor and a temperature control circuit; and an electric power source. The roller is of a convex cylindrical or concave cylindrical shape. A method for dry eye treatment, of cleaning an...