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How Does a Chalazion Look?
A chalazion is a swollen, pain-free lump on the eyelid. It gradually forms when the meibomian gland, a sebaceous (oil) gland, ...
painful lump or bump on the edge of the eyelid. It occurs when the oil glands at the base of the eyelashes (called Meibomian or Zeis glands) become infected, often due to Staphylococcus bacteria.