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) …

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 …

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.

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.

Mar 24, 2025 · Internal stye: A stye inside your eyelid. Most are caused by an infection in an oil-producing gland in your eyelid. You can also get a stye if you have blepharitis. This is a …

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 …

Jan 16, 2024 · What is a chalazion? Identification and treatment. A chalazion is a small, slow-growing lump or cyst that develops within the eyelid. A chalazion bump may clear up on its …

Jul 17, 2025 · While most eyelid cysts are benign, they still cause discomfort, irritation, or even visual problems if left untreated. There are several possible reasons why cysts form on or …

Oct 3, 2023 · A chalazion is a type of cyst. It forms when an oil gland in your eyelid gets blocked. As your blocked gland fills with fluid and oil, it makes a hard lump. When should I be worried …

Jan 7, 2023 · What Is a Chalazion (Bump on Eyelid)? What are chalazia? A chalazion is a type of internal eyelid cyst. Also called meibomian cysts, they form when oil glands inside the eyelid …