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A. S. Steiner, D. Vazan, T. Milman, I. J. Udell; Is Demodex a Potential Cause of Eyelid Chalazia?. Invest. Ophthalmol. Vis. Sci. 2009;50(13):302.
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Demodex is a known inhabitant of the eyelid margin and has been reported to be a contributor in the pathogenesis of blepharoconjunctivitis. To date, however, no study has demonstrated a connection between chalazia and Demodex. We attempt to demonstrate a relationship between these two entities.
Chalazia specimens submitted to the New York Eye & Ear Infirmary between 1995 and 2006 were analyzed. These slides were examined by an experienced ocular pathologist using light microscopy to identify Demodex on the chalazia specimen.
Demodex was isolated in 15 of 39 specimens (38%). In 2/15 samples (13.3%) the parasite was identified within the granuloma; whereas in 13/15 (86.7%) the organism was an isolated finding on the slide.
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