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) …

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 …

What is a meibomian cyst? These cysts are common. They appear as a ‘pea’ sized hard lump in the eyelid. They cause very few problems but may be unsightly or large enough to blur your …

Dec 10, 2025 · 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 …

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.

Sep 29, 2025 · Many chalazia resolve spontaneously and need no treatment. Others require local hygiene and antibiotic ointment to the lid margins, and some require release of the …

Our eyelids are lined with lots of tiny glands, called meibomian glands, which produce oil to keep our eyes moist and healthy. A chalazion occurs when one of these glands becomes blocked. …

A meibomian cyst (or chalazion) is a chronic, non-infectious, inflammatory granuloma caused by blockage of meibomian gland duct (s). Meibomian cysts are the most common inflammatory …

Inflammation of the eye lid known as Blepharitis, can cause the openings of the oil glands on the edge of the eyelid to become blocked, producing a lump called a chalazion (also commonly …

A meibomian cyst or chalazion is a lump in your eyelid caused by a blocked oil gland. They often come in groups and usually go away by themselves. Find out how to treat and prevent them.