eyed

The familiar hatchery practice of agitating the eggs after they are eyed, called shocking or addling, ruptures the yolk membranes of the ever-tender sterile eggs. The result is a precipitation of the globulin and a whitening of the egg.

The back of the beetle was eyed to make it appear to be a snake to a predator.

What mean you, sir, / To give them this discomfort? Look, they weep; / And I, an ass, am onion-eyed: for shame, / Transform us not to women.