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Pseudomembrane is composed of gray fibrin and inflammatory material and is avascular. Pseudomembranes can be peeled without bleeding due to their deposition on an intact conjunctival epithelium and lack of vascularity, in contrast to true membranes which contain highly concentrated fibrin deposited within conjunctival epithelium and stroma. These are most commonly seen in viral infections, including adenovirus and herpes viruses. However, potential etiologies include bacterial infections such as beta-hemolytic streptococcus, fungal infections including Candida albicans, chemical burns, and immunological diseases including ligneous conjunctivitis.
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Further Reading
Kruse FE (2002) Classification of ocular surface disease. In: Holland EJ, Mannis MJ (eds) Ocular surface disease: medical and surgical management. Springer, New York, p 20
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© 2013 Springer-Verlag Berlin Heidelberg
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Eghrari, A. (2013). Pseudomembrane, Conjunctival. In: Schmidt-Erfurth, U., Kohnen, T. (eds) Encyclopedia of Ophthalmology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-35951-4_566-1
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DOI: https://doi.org/10.1007/978-3-642-35951-4_566-1
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Publisher Name: Springer, Berlin, Heidelberg
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