you are not near-sighted but want to enlarge your pupils with a certain degree of control while looking at your victim, here is how: Look directly towards him, as if you were gazing right into his eyes, but instead of focusing your eyes on his, pick a tiny area like the corner of his eye, an eyelash, a pore—and try your hardest to study it intently. This exercise will enlarge your pupils the little extra bit needed to do the trick.
On the other hand, if you wish to appear as a dominant, ruthless witch, and you can see that your quarry will respond to a whip-mistress, you must learn to develop a hard, impassionate look that will leave him trembling with fearsome anticipation. Instead of focusing on a small area, look directly at him just as though you were gazing directly into his eyes but don’t even look at his eyes or his face either. Pretend he isn’t even there (this should be easy) and
Eyes of a Witch