Causes of 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

The symptoms of styes are various. Also, it exists different ways to treat styes.