What is a chalazion? A chalazion is a red bump on your eyelid. It’s sometimes called an eyelid cyst or a meibomian cyst. It slowly forms when an oil gland (called a meibomian gland) becomes blocked. At …

Oct 3, 2023 · What Is a Chalazion? A chalazion is a small swelling or lump on your eyelid caused by a blocked gland. They’re called chalazia if you have more than one.

Mar 24, 2025 · Got a painful bump on your eyelid? Learn the difference between chalazia and styes, how to treat them safely at home, and when to see an eye doctor.

Sep 4, 2024 · A chalazion is a small, painless lump (cyst) on the upper eyelid that forms when an oil gland gets blocked. It is not an infection, however it can become infected.

Dec 10, 2025 · A chalazion is a pain-free lump on the eyelid caused by a blocked oil gland. Warm compresses, massages, and eyewashes can help a chalazion shrink by softening and reducing the …

A chalazion (/ kəˈleɪziən /; plural chalazia or chalazions) or meibomian cyst[4] is not a cyst but a granuloma [5] in the eyelid that results from a blocked meibomian gland. [6][7] It typically occurs in …

A chalazion is a lump in the upper or lower eyelid caused by inflammation of a gland of the lid. Learn the causes, risk factors, symptoms, diagnosis, and treatment of a chalazion.

Aug 22, 2025 · What is a Chalazion? A chalazion, or eyelid cyst, is a pea-like lump in the upper or lower eyelid caused by a blocked meibomian gland. These glands line the margin of the eyelids and …

The definition of a chalazion is a lump in the upper or lower eyelid that is caused by obstruction of the drainage duct of an oil gland within the eyelid. What Causes a Chalazion? Each of the meibomian oil …

Jan 7, 2023 · A chalazion is a type of eyelid cyst that forms due to a blocked oil gland. Learn about their causes and treatments and how they are different from styes.