A 4-year-old with a sore on the left lower eye lid. Image: James H ... of the lesion at an early stage of development. The term stye is a 17th century word, derived from Old English.

Consult a medical professional for advice. Source: Focus Medica. A small red, painful lump in the edge of the eyelid. Stye is usually caused by bacterial infection. It may be present inside or ...