A stye is a painful lump that develops on the upper or lower eyelid. Although both blepharitis and styes affect the eyelids, the two conditions have different symptoms, causes, and treatment options.

Styes are caused by an infection in one of the eyelash hair follicles. Children do seem to get them more than adults, probably because they rub their eyes with dirty fingers, but often there is no ...

The scenario does not state whether the upper or lower lid is affected ... My working list of differentials would be: Conjunctivitis (various potential aetiologies) Hordeolum (internal or external) ...

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