Humans acquire the disease by ingestion of embryonated eggs, usually from contaminated raw vegetables or infected raw meat (chicken, rabbit and lamb),2 contaminated water sources or via geophagia. Most ocular damage results from the inflammatory response that occurs following death of the larva. 30 янв. 2007 г.
How do you get ocular toxocariasis?
These findings led to a common etiology for systemic and ocular diseases, human toxocariasis. Individuals become infected with Toxocara when they unintentionally ingest embryonated eggs or larvae that have been shed in the feces of infected animals or uncooked paratenic hosts (Fig. 1) [1, 2, 7].
What causes ocular larva migrans?
Ocular larva migrans is a rare inflammatory condition of the eye caused by local reactions to the larva of Toxocara species. These are roundworms which infest dogs and cats as their definitive hosts. Toxocara canis (T. cani), which infests dogs, is more commonly implicated than Toxocara cati (T.
Can ocular toxocariasis be cured?
In conclusion, based on our experience and also on other reports, the combination therapy of oral albendazole and steroids is a simple and effective treatment for ocular toxocariasis.
How common is ocular larva migrans?
Ocular larva migrans (OLM) is a rare but potentially disabling condition. It is also difficult to diagnose because of the negative laboratory test results. In most cases the diagnosis is presumed to be OLM upon the basis of eye examination.
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