Styes can form on the outside (external) or inside (internal) of your eyelid. External styes are more common than internal styes. Most external styes start in an eyelash follicle, but may also ...

It is located on the more internal edge of the eyelid, and so an infected meibomian gland causes an internal stye. External ...

A person with blepharitis may experience swollen, irritated, and itchy eyelids. A stye is a painful lump that develops on the upper or lower eyelid. Although both blepharitis and styes affect the ...

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 ...

A stye is caused by infection of a gland at the base of an eyelash. It generally causes a lump at the margin of the eyelid, that is inflamed and often painful. Styes are usually caused by ...

Your son's stye is also known as a chalazion or Meibomian cyst. It is a small lump on the eyelid due to a blocked oil gland, and can occur on any eyelid. Your son's eyelids contain many oil ...