Meanings of human eyeball in английском

Did I REALLY draw a zombie playing paddle-ball with a human eyeball?

The book briefly vibrates at eighteen hertz, which is the resonant frequency of the human eyeball.

I caught a glimpse of one snake with a writhing human eyeball still embedded in its side, the iris powder blue.

A chunk of his cookie's glazed surface had fallen onto the tablecloth, revealing a hole from which a human eyeball stared with glazed intensity.