Abstract
The parasitic infection is an affection of the body as well as the eye with parasites, protozoa's, worms and ectoparasites, with world incidence of 30%. These diseases are chronic, systemic diseases because of weak innate immunity and ability of parasites to evade immune answer of the host or increasing the resistance to the adaptive immunity of the host. Parasites can evade immunity of the host by: antigens variations, forming cysts, changing the hosts and by synthesis of some cytokines, which decrease immunity of the host. Ascaris lumbricoides is the largest intestinal nematode parasitizing man. The worm is known to cause subconjunctival mass, granulomatous iridocyclitis, choroiditis, recurrent vitreous hemorrhage, chronic dacryocystitis and invasion into the subretinal space. The goal of this case was to analyze the affection of the eye, caused by the Ascaris lumbricoides as very rare ocular pathology.
Highlights
The worm is known to cause subconjunctival mass, granulomatous iridocyclitis, choroiditis, recurrent vitreous hemorrhage, chronic dacryocystitis and invasion into the subretinal space
Acquired antibody-dependent immunity mediated by eosinophils plays major role in defense against the helminthes
In Europe, ascariasis is rare, and eye infection caused by Ascaris lumbricoides is a true rarity in our country [3, 4]
Summary
The worm is known to cause subconjunctival mass, granulomatous iridocyclitis, choroiditis, recurrent vitreous hemorrhage, chronic dacryocystitis and invasion into the subretinal space. Small intestine, and infection occurs by entering the egg through food, water and soil (by “dirty hands”). Due to the absence of signs of systemic disease, surgical removal of the parasite may be the main form of treatment of ectopic infection. Stool examination was performed successively several times, forms of male adult parasites were detected identical to those recovered from the eye, and parasite eggs were not detected. Computerized tomography of endocranium showed normal findings, laboratory results were within the reference values, except for increase in monocytes concentration (10 ìg/mL) and immunoglobulin E (0.05% of the Ig-concentration). Treatment involved the surgical treatment with local antibiotics and corticosteroids, and after consultations with microbiologists the systemic use of Mebendazole tablets (100-mg in the morning of the two weeks). The patient was controlled by ophthalmologists for the six months
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