When the eyes of at least one character in focus are to some extent exaggerated to reflect an intense, violent emotion, lust or otherwise. This can include but is not limited to:
Wide, open eyelids
Small/smaller pupils or iris
No pupils
"Diluted" irises lacking certain otherwise present details, or just an extra gradient of shading
Extra lines along the outside of the eye
Extra lines along the inside, highlighting the pupil
Shattered iris
Staring directly at the viewer