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A chalazion is a swollen, pain-free lump on the eyelid. It gradually forms when the meibomian gland, a sebaceous (oil) gland, ...

A stye is a red bump that forms on the eyelid and can look and feel like a big pimple. This bump often feels swollen and painful to the touch. Styes are basically like acne that occurs on the ...

Chalazion surgery removes a small red bump that develops on the eyelid. The bump, chalazion, occurs when oil glands in the eyelid become blocked. Though a chalazion usually heals with medical care ...