What is the difference between anterior and posterior blepharitis?

Updated: Jan 03, 2019
  • Author: R Scott Lowery, MD; Chief Editor: Andrew A Dahl, MD, FACS  more...
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Blepharitis can be divided anatomically into anterior and posterior blepharitis. Anterior blepharitis refers to inflammation mainly centered around the skin, eyelashes, and lash follicles, while the posterior variant involves the meibomian gland orifices, meibomian glands, tarsal plate, and blepharo-conjunctival junction. Anterior blepharitis usually is subdivided further into staphylococcal and seborrheic variants.

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