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They lay eggs inside your hair follicles and oil glands ... This inflammation of the eyelids is caused by a blockage in the oil glands in that area, usually at the base of your eyelashes.

Stye A stye is an eye infection caused by oil or bacteria blocking the oil glands or hair follicles around your eye. It is often characterized by a pimple-like bump on your upper or lower eyelid.

When the mites die, their bodies decompose inside the follicle or gland ... and they can worsen vision problems and damage eyelids and eyelashes. Mark Sandeman, an honorary professor at Federation ...