: This affects the outside front edge of the eyelid where the eyelashes attach. It is most frequently caused by bacteria (specifically Staphylococcus) or dandruff from the scalp or eyebrows (seborrheic blepharitis).
The condition is categorized by where the inflammation occurs on the eyelid margin:
Blepharitis is a common, chronic inflammation of the eyelids that can be both uncomfortable and persistent. While it is generally not sight-threatening, it requires long-term management because it often recurs. Understanding the Two Types