Eye closeup with Loa loa worm parasite

Eye closeup with Loa loa worm parasite

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This image is part of the feature B B C
This image is part of the feature Ten Gross Parasites

Credit: SUE FORD/SCIENCE PHOTO LIBRARY

Caption: Loiasis of eye. Close-up of a Loa loa worm wriggling across a human eye. The eye is looking downwards and the worm, which is long, thin and almost transparent, is just underneath the surface membrane (conjunctiva) of the white of the eye. Loa loa is a parasitic nematode that lives under human skin, causing itchy swellings and, occasionally, fever. The worms are spread by bloodsucking Chrysops flies in tropical Africa, and reach 3-7cm when mature. They can sometimes be seen migrating across the surface of the eyes, where they cause irritation but do no serious harm. Loa loa worms can be destroyed by the drug diethylcarbamazine.

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Keywords: condition, conjunctiva, disease, disorder, eye, eyeworm, filariasis, healthcare, human, loa loa, loiasis, medical, medicine, nematode, parasite, worm

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