Ocular nematode and trematode infections in the developing world

Nelson Alexandre Sabrosa, Emmett T. Cunningham, J. Fernando Arevalo

Research output: Contribution to journalReview articlepeer-review

8 Scopus citations


In this article, we reviewed the nematode and trematode causes of uveitis encountered most often in the developing world. Many parasitic infections of the eye can be encountered in developing countries owing to poor hygiene, relative lack of public health education, and limited medical resources. The parasites T. canis, Onchocerca volvulus, Taenia solium, Ancylostoma caninum, Cysticercus celulosae, and Philophthalmus sps may all be responsible for blinding ocular infections, such as ocular toxocariasis, onchocerciasis, DUSN, ocular cysticercosis, and trematode infection of the anterior chamber, respectively. Treatment of uveitis is challenging in patients with parasitic infections. Systemic and periocular corticosteroids may be required in eyes with active uveitis. Specific antihelmintic therapy may be used to destroy nematodes and eliminate further migration of the larva, particularly in the setting of systemic disease, whereas pars plana vitrectomy can be considered in selected circumstances. Laser photocoagulation, when feasible, is the treatment of choice in eyes with DUSN.

Original languageEnglish (US)
Pages (from-to)71-85
Number of pages15
JournalInternational ophthalmology clinics
Issue number2
StatePublished - Mar 1 2010
Externally publishedYes

ASJC Scopus subject areas

  • Ophthalmology


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