A pimple on your eyelid usually isn't acne — it's probably a stye, chalazion, or xanthelasma. A stye is a round, red bump that can be treated with a warm compress to drain the pus. A chalazion ...

This bump can also occur inside of the eyelid, causing swelling and redness ... With bacterial pink eye, you might experience some green or yellow discharge, but a viral infection may make your ...