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 ...

A stye is a painful lump ... Blepharitis affects the eyelid, while conjunctivitis affects the conjunctiva, which is the tissue that lines the inside of the eyelids and the white of the eye.

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 outside the eyelid on one or both eyes and is ...

Styes are small pimple ... them as pressure and pus build up inside. The area surrounding them may appear reddish and warmer ...