Most chalazia (the plural of chalazion) form on the underside of the upper eyelid. While rare, they can sometimes form on the lower eyelid. Chalazia can affect anyone regardless of age ...

Other causes include milia (milium), chalazion, or, in rare cases ... These bumps can appear on both the upper and lower eyelids. One of the most common causes of skin cancer is unprotected ...

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 ...