The primary causes of a chalazion are obstruction of the oil glands (meibomian glands ... A chalazion is a hard, painless lump from blocked oil glands. A hordeolum is a painful lump caused ...

A chalazion is a swollen, pain-free lump on the eyelid. It gradually forms when the meibomian gland, a sebaceous (oil) gland, is blocked. A chalazion is sometimes called an eyelid cyst or a ...

If a gland is blocked (meibomian gland dysfunction ... Your healthcare provider may recommend chalazion surgery when a bump (cyst) caused by a blocked oil gland in your eyelid (chalazion ...