Can someone tell me what this expression means?
"on the eye"
It accounts for the scene I witnessed in the barracks: after a particularly tasteless dinner, which was left uneaten by most of the soldiers, the unfortunate soldier, lying on his bed, the victim of a practical joke, loudly complained that he was still very hungry and wouldn’t mind a simple meal, perhaps a pair of eggs on the eye
I found it in one of Slavoj Žižek's books and I would like to understand it.