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Sheep Nasal Botfly (Oestrus ovis) Larvae Infestation of the Conjunctiva
Jose Miguel Risco, MD;
Fatima Al-Dosari, MD;
Lynn Miller;
Riyadh;
Elisabeth J. Cohen, MD
Arch Fam Med. 1995;4(11):915-916.
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| Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings. |
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A 65-YEAR-OLD man presented with a several-hour history of redness and irritation in his left eye. History revealed frequent contact with sheep. Eye examination revealed visual acuity of 20/80 OU, a reduction in vision that was consistent with his cataracts. The left conjunctiva showed hyperemia, chemosis, and small patchy subconjunctival hemorrhages. Twelve larvae measuring approximately 1 mm each in length were found in the bulbar and palpebral conjunctiva. The larvae had appreciable mobility across the conjunctivalsurface (Figure 1). Under topical anesthesia, all the larvae were removed with a fine forceps and noted to be slightly attached to the conjunctiva by way of their anterior ends. Removal of the larvae and administration of topical steroids with antibiotics were associated with resolution of symptoms.
The larvae removed were placed in balanced salt solution and observed under the light microscope (Figure 2). They were identified as first-iristar larvae of the ovine nasal botfly
. . . [Full Text PDF of this Article]
Author Affiliations
Saudi Arabia
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