Blepharitis classification: Difference between revisions
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==Overview== | ==Overview== | ||
Blepharitis may be classified according to the | Blepharitis may be classified according to the affected location of the lid margin delineated by the gray line (the muscle of Riolan) into anterior and posterior blepharitis. Alternatively, blepharitis can be classified based on meibomian gland morphology, tear osmolarity, and Schirmer test into (1) seborrheic, (2) obstructive, (3) obstructive with sicca, and (4) sicca. | ||
==Classification== | ==Classification== | ||
Revision as of 13:28, 28 July 2016
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Sara Mehrsefat, M.D. [2]
Overview
Blepharitis may be classified according to the affected location of the lid margin delineated by the gray line (the muscle of Riolan) into anterior and posterior blepharitis. Alternatively, blepharitis can be classified based on meibomian gland morphology, tear osmolarity, and Schirmer test into (1) seborrheic, (2) obstructive, (3) obstructive with sicca, and (4) sicca.
Classification
Based on the anatomic location, blepharitis may be classified into:[1]
- Anterior blepharitis (affects the front of the eyelids near the base of the eyelashes, eyelid skin, and the eyelash follicles)
- Staphylococcal blepharitis
- Seborrheic blepharitis (mainly anterior lid)
- Posterior blepharitis (affects the back of the eyelids, tarsal plate, meibomian glands, and gland orifices)
- Meibomian gland dysfunction (MGD)
- Seborrheic blepharitis
Based on the duration of symptoms, blepharitis may be classified into:[2]
- Acute blepharitis
- Chronic blepharitis
References
- ↑ Wilhelmus, K. R. "Inflammatory disorders of the eyelid margins and eyelashes." Ophthalmol Clin North Am 5.2 (1992): 187.
- ↑ Lemp MA, Nichols KK (2009). "Blepharitis in the United States 2009: a survey-based perspective on prevalence and treatment". Ocul Surf. 7 (2 Suppl): S1–S14. PMID 19383269.