Types of Stye: * External Stye: Forms on the outer part of the eyelid and resembles a pimple. * Internal Stye: Develops inside the eyelid and is less visible but can cause more discomfort.

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 ...

But unlike with pink eye, a stye is often accompanied by a pimple-like bump on the eyelid. This bump can also occur inside of the eyelid, causing swelling and redness on the external part of the eye.