Demodex mites can multiply overnight, causing an overgrowth called demodicosis, said Dr. Richard Locksley, professor of medicine at University of California, San Francisco.

Eye mites, or Demodex, are microscopic organisms that live at the base of your eyelashes.

What are Demodex mites? According to the Cleveland Clinic, these microscopic insects live on the human face hair follicles, mainly around eyelashes and eyebrows.

Eye mites, or Demodex, are microscopic organisms that live at the base of your eyelashes.

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Demodex mites can multiply overnight, causing an overgrowth called demodicosis, said Dr. Richard Locksley, professor of medicine at University of California, San Francisco.

Eye mites, or Demodex, are microscopic organisms that live at the base of your eyelashes.

Demodex mites can multiply overnight, causing an overgrowth called demodicosis, said Dr. Richard Locksley, professor of medicine at University of California, San Francisco.