heterochromia
Images or animations depicting a character with the medical condition known as complete heterochromia iridis, a genetic quirk which causes their eyes to be separate colors. This includes characters with asymmetrically colored eyes, e.g. a green eye and a blue eye, or a notably lighter or deeper shade of a single color. Note that for simplicity's sake, if a pre-existing character is known to have heterochromia, but…
