ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,467,745, issued on Nov. 11, was assigned to Alcon Inc. (Fribourg, Switzerland).
"Anamorphic depth gauge for ophthalmic systems" was invented by John Park (Irvine, Calif.) and Edward A. DeHoog (Long Beach, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "In certain embodiments, an ophthalmic system includes an anamorphic depth gauge (ADG) device and a computer. The ADG device measures the z-location in the interior of an eye and includes a detector array arranged at an oblique angle with respect to the z-axis. The array generates a detector signal in response to detecting a light beam, which has a z-focus in the interior of the eye. A set of line fo...