Why do flies like to fly in your eyes?

“What they really are after … are tears. They’re attracted to lacrimal secretions from the eyes, this is why they’re always flying around your eyes,” Raupp said.

Do flies annoy you on purpose?

Are Flies Annoying On Purpose? Flies have no reason to annoy humans on purpose. In fact, most of the time, they don’t realize that they are even around humans. Flies do not see humans as a threat because they can see so well and fly so fast.