Review Article
Ophthalmic Parasitosis: A Review Article
Table 4
Ocular parasitosis caused by round worms (diagnosis and treatment).
| Disease/Infection | Diagnosis | Treatment |
| Angiostrongyliasis | Identification of Angiostrongylus cantonensis in the eye Direct and indirect immunofluorescent | Oral and topical prednisolone, laser treatment, surgical removal of the parasite |
| Bancroftian and Brugian filariasis | An aqueous tap and a peripheral blood smear isolate microfilariae or adult worm | Carbamazine citrate along with systemic steroids |
| Baylisascariasis | Exclusion of other known causes of OLM* | Steroids and antihelminthic agents |
| Dirofilariasis | Excision biopsy
| Surgical excision of the adult worm, DEC* |
| Loiasis | Extraction of adult worm or microfilaria | Manual removal of adult worm or microfilaria present in the conjunctiva and DEC |
| Onchocerciasis | Slit lamp, sclerocorneal punch biopsy, Xenodiagnosis | Manual removal of adult worms, ivermectin or mebendazole |
| Thelaziasis | Eggs or larvae can be seen when tears or other eye secretions are examined under light microscope | Surgical |
| Toxocariasis | Serology | Cryopexy and photocoagulation, albendazole and corticosteroid |
| Trichinosis
| Muscle biopsy | Thiabendazole, mebandazole, steroids |
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OLM: ocular larva migrans. DEC: diethylcarbamazine.
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