Pain and redness in one eye

A pigsty is a painful growth near the eyelid, and can form on the inside or the external part of the eyelid. Purcile usually causes irritation and pain in the eye and can lead to redness of the eye. According to Mayo Clinic, pigsty are usually caused by an infection of eyelid sebaceous glands, from the Staphylococcus bacterium. ................
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