The causes of a stye

A stye is an infection of the eyelash’s pilosebaceous follicle, usually due to a staphylococcal bacteria: it’s sort of boil on the eyelash. It can occur at any age, but is more common in adults. 

Certain factors favour the development of styes such as[1] : 

·         insufficient hygiene of contact lenses

·         insufficient hand hygiene,

·         rubbing the eyes too often,

·         poor eye makeup removal,

·         dry eye,

·         diseases such as diabetes or immune deficiency favouring infections.