Internal Stye: Develops inside the eyelid and is less visible but can cause more discomfort. Causes: - Bacterial infection (most commonly Staphylococcus aureus). - Blockage of oil glands in the ...

There's one particular bacterium that leads to stye infections: Staphylococcus aureus. According to Tina Singh, MD, an ophthalmologist at Duke Eye Center, it's one of the most common bacteria on ...

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 ...

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 ...

A stye is a bacterial infection of either an eyelash follicle or a gland near the eyelashes that presents itself as a small swollen red lump on the eyelid and may also be filled with yellow pus.