Blepharitis -

: 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).

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 blepharitis

The condition is categorized by where the inflammation occurs on the eyelid margin: : This affects the outside front edge of

: This affects the inner edge of the eyelid that touches the eye. It occurs when the meibomian glands —tiny oil glands—become clogged or produce irregular oil. This form is often referred to as Meibomian Gland Dysfunction (MGD) and is closely linked to skin conditions like rosacea. Blepharitis - StatPearls - NCBI Bookshelf - NIH While it is generally not sight-threatening, it requires