Judged: two independent readers; copy check clear.
checkerboard pattern
checkerboard pattern A checkerboard pattern is a visual test stimulus made of checks that switch or reverse about every half-second.
A checkerboard pattern is a visual test stimulus made of checks that switch or reverse about every half-second. The size of the checks, the overall area shown, and where it appears in the visual field can be varied to examine particular parts of the visual pathway.