Blepharitis classification
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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 anatomic location of the disease into 2 subtypes anterior and posterior. Additionally blepharitis may be classified based on the duration of symptoms into acute or chronic.[1][2][3]
Classification
Based on the anatomic location, blepharitis may be classified into 2 subtypes anterior and posterior.
Anterior blepharitis affects the front of the eyelids near the base of the eyelashes, eyelid skin, and the eyelash follicles. Anterior blepharitis may be classified into:[1][2]
- Staphylococcal blepharitis
- Seborrheic blepharitis
Posterior blepharitis affects the back of the eyelids. It involves tarsal plate, meibomian glands, and gland orifices.
Blepharitis,may be classified based on the duration of symptoms into:[3]
- Chronic (Most often blepharitis is a waxing and waning chronic condition)
- Acute (usually allergen or irritant exposure)
References
- ↑ 1.0 1.1 Cheung J, Sharma S (2000). "Ophthaproblem. Blepharitis". Can Fam Physician. 46: 2393, 2400. PMC 2145002. PMID 11153404.
- ↑ 2.0 2.1 THYGESON P, VAUGHAN DG (1954). "Seborrheic blepharitis". Trans Am Ophthalmol Soc. 52: 173–88. PMC 1312591. PMID 13274422.
- ↑ 3.0 3.1 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.