US Patent Issued to Innova Systems on Oct. 28 for "Method and apparatus for testing for color vision loss" (Illinois Inventor)

ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,453,468, issued on Oct. 28, was assigned to Innova Systems Inc. (Burr Ridge, Ill.).

"Method and apparatus for testing for color vision loss" was invented by Cheryl Nordstrom (Burr Ridge, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for administering a cone contrast color vision test includes displaying a first color at a first contrast level in a first region of a display and a second color at a first contrast level in a second region of the display, receiving a first input signal via an input device that indicates whether the patient recognizes the first region, displaying the first color at a second contrast level in a third region of ...