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Ophthalmomyiasis Externa in an Atypical Region.

Alyssa Snyder1, Melissa Warne1, Kyle Deistler1

  • 1Department of Ophthalmology, Lions Eye Institute, Albany, New York, USA, lei.org.au.

Case Reports in Ophthalmological Medicine
|April 27, 2026
PubMed
Summary
This summary is machine-generated.

Ophthalmomyiasis, an eye infestation by fly larvae, was diagnosed in a child in upstate New York. Prompt larval removal and treatment were successful, highlighting diagnostic challenges in non-endemic areas.

Keywords:
botfly-related myiasisclimate changeophthalmomyiasis externaparasitic infectionpediatric ophthalmology

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Area of Science:

  • Ophthalmology
  • Parasitology
  • Public Health

Background:

  • Ophthalmomyiasis is a rare ocular infestation by fly larvae, typically seen in tropical or rural areas.
  • Cases are often associated with animal contact or specific environmental conditions.
  • This condition presents diagnostic challenges, especially in regions where it is uncommon.

Purpose of the Study:

  • To report a unique case of ophthalmomyiasis externa in a pediatric patient from upstate New York.
  • To discuss the diagnostic difficulties and potential ecological factors contributing to the spread of such parasitic infections.
  • To emphasize the importance of early recognition and prompt management.

Main Methods:

  • Clinical case presentation of a 2-year-old girl with suspected insect bite.
  • Physical examination revealing a botfly larva in the lower eyelid.
  • Larval extraction via digital pressure followed by appropriate medical management.

Main Results:

  • Successful extraction of a botfly larva from the patient's left lower eyelid.
  • Resolution of symptoms including edema, erythema, and discharge following treatment.
  • Confirmation of ophthalmomyiasis externa in an atypical geographic location.

Conclusions:

  • Ophthalmomyiasis can occur in unexpected regions, necessitating a broad differential diagnosis.
  • Environmental and ecological shifts may influence the geographic distribution of parasitic diseases.
  • Early diagnosis and intervention, including larval removal and systemic therapy, are crucial for favorable outcomes.