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Fly larva adherent to corneal endothelium
American Journal of Ophthalmology
|August 15, 1986
Summary
A rare case of anterior ophthalmomyiasis occurred when a botfly larva (Cuterebra sp.) invaded the anterior chamber of the eye. The larva caused inflammation but remained inert, with no vision loss over 27 months.
Area of Science:
- Ophthalmology
- Parasitology
- Medical Entomology
Background:
- Anterior ophthalmomyiasis is an uncommon condition involving fly larvae invading the anterior part of the eye.
- This invasion can lead to complications such as iridocyclitis and lens subluxation.
- Humans are typically accidental hosts, with limited larval development within the eye.
Observation:
- A case report details a first-stage larval invasion by a Cuterebra sp. botfly.
- The larva entered the anterior chamber, causing transient iridocyclitis.
- It adhered to the posterior cornea, eventually becoming a static, atrophic body.
Findings:
- Identification was confirmed using slit-lamp and specular photomicrography.
- Topical corticosteroids effectively managed the induced inflammation.
- Over 27 months, the larva showed minimal changes, and corneal endothelium remained healthy.
Implications:
- This case highlights the potential for Cuterebra sp. larvae to cause ocular myiasis.
- Early identification and management are crucial for preventing complications.
- Long-term observation suggests a benign prognosis for the affected eye in such cases.