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 ...

Chalazion causes The primary causes of a chalazion are obstruction of the oil glands (meibomian glands) along the rims of the eyelid or the oil glands (Zeis glands) at the eyelash follicle.

A chalazion can develop when a meibomian gland at the edge of an eyelid becomes blocked or inflamed. These glands produce oil that lubricates the surface of the eye.

Failing to keep your eyelids clean can cause dryness redness infections such as blepharitis and even loss of eyelashes Heres ...

A chalazion (plural: chalazia) is a lump that forms on your eyelid due to the blockage of an oil gland. These glands are called meibomian glands, and chalazia are sometimes called meibomian cysts.

If you have an eyelid bump, it might be a stye, chalazion, xanthelasma, or milia. Learn more about the causes, symptoms, treatment, outlook, and prevention of different types of eyelid bumps.

Deep chalazia results from inflammation in the tarsal meibomian gland, and superficial chalazia results from inflammation in the Zeis gland.

A chalazion can be a complication of a hordeolum, since the glands are blocked by inflammation, leading to thickened secretions from the gland.