[Acanthamoeba sp.: a case report in a non-contact lens wearer]

Claudia Menghi1, María C Caride, Claudia Gatta

  • 1Laboratorio de Parasitología Clínica, Cátedra de Microbiología Clínica, Hospital de Clínicas, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires. Av. Córdoba 2351 (1113) Ciudad Autónoma de Buenos Aires, Argentina. cmenghi@fibertel.com.ar

Insights

Acanthamoeba keratitis, an eye infection, can lead to vision loss. This case highlights a rare instance not linked to contact lens wear, emphasizing the need for broader diagnostic considerations.

Area of Science:

  • Ophthalmology
  • Infectious Diseases
  • Microbiology

Background:

  • Acanthamoeba keratitis is an infection of the cornea, often associated with contact lens use or contaminated water.
  • Symptoms include decreased vision and severe eye pain, potentially mimicking herpes infections.
  • Untreated cases can lead to corneal perforation and irreversible vision loss.

Observation:

  • This report details a rare case of Acanthamoeba keratitis.
  • The patient's infection was not associated with contact lens usage.
  • This presentation deviates from the typical etiology of the disease.

Findings:

  • Acanthamoeba keratitis can occur without the usual risk factors like contact lens wear.
  • The clinical presentation may be misleading, requiring a high index of suspicion.
  • Prompt diagnosis and treatment are crucial to prevent severe visual impairment.

Implications:

  • Highlights the importance of considering Acanthamoeba keratitis in non-contact lens wearers presenting with severe keratitis.
  • Underscores the need for accurate and timely diagnosis to avoid sight-threatening complications.
  • Suggests a broader range of potential exposures or predispositions for this infection.

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