If you experience a knot or a lump resting on any of your eyelids, that is called a chalazion. It is basically formation of a sebaceous cyst when your meibomian gland is blocked.

Knowing whether you have a chalazion or a stye can help ensure you treat the lump the best way to help it heal. Learn symptoms, causes, and treatment.

Chalazion, as it's called, is caused by a blockage of a gland in your eyelid. ... If a gland gets blocked then the fluid cannot escape and it can cause swelling of the gland and develop into a cyst." ...

Prostate Cancer and Prostatic Diseases - Docetaxel-induced Meibomian duct inflammation and blockage leading to chalazion formation Skip to main content Thank you for visiting nature.com.

Chalazion is a common chronic lipogranulomatous inflammation of the eyelid caused by plugged meibomian glands. For nonresolving chalazion, ... of the excised cysts were consistent with chalazion.

Among children of all racial and ethnic groups, Hispanic/Latino, American Indian and Asian children developed chalazion at a higher rate, and those with meibomian gland disease or blepharitis were ...