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eye worm

noun
1.
a filarial worm, Loa loa, of western and central Africa, that is parasitic in the skin, or subcutaneous tissue, of human beings, often migrating into the eye region.
Origin
1585-1595
1585-95
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Article for eye-worm

eye worm

(species Loa loa), common parasite of humans and other primates in central and western Africa, a member of the class Nematoda (phylum Aschelminthes). It is transmitted to humans by the deerfly, Chrysops (the intermediate host), which feeds on primate blood. When the fly alights on a human victim, the worm larva drops onto the new host's skin and burrows underneath. The larva migrates through the bloodstream, commonly locating in the eye or in other tissues just under the skin. The adult worm is about 5 cm (2 inches) long. The movement of the worm beneath the skin may cause itching or sometimes swellings as large as a hen's egg

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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