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Related Experiment Video

Updated: Dec 24, 2025

Cheek Injection Model for Simultaneous Measurement of Pain and Itch-related Behaviors
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Itching eyes after itching around the head.

Laura Tabuenca Del Barrio1, Marcos Mozo Cuadrado1, Alicia Zubicoa Enériz1

  • 1Complejo Hospitalario de Navarra, Ophthalmology, Pamplona, Navarra, Spain.

GMS Ophthalmology Cases
|April 10, 2020
PubMed
Summary
This summary is machine-generated.

Phthirus pubis, commonly known as pubic lice, can infest eyelashes, causing itching and blepharitis. Mechanical removal of lice and eggs, followed by petroleum jelly application, effectively resolves this infestation.

Keywords:
Phthirus pubislicelousenitspediculosis

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Area of Science:

  • Ophthalmology
  • Dermatology
  • Parasitology

Background:

  • Phthirus pubis infestation typically affects the pubic region but can extend to other hair-bearing areas.
  • Eyelash infestation by Phthirus pubis is uncommon but presents with ocular symptoms.

Observation:

  • A 27-year-old female presented with ocular itching and bilateral blepharitis.
  • Examination revealed mobile insects and eggs attached to the eyelashes.
  • Microbiological study confirmed Phthirus pubis.

Findings:

  • Mechanical dislodging of insects and eggs was the primary treatment.
  • Application of petroleum jelly twice daily for seven days was used to eliminate remaining nits.
  • Complete resolution of the infestation was achieved.

Implications:

  • Eyelash pediculosis due to Phthirus pubis requires prompt diagnosis and treatment.
  • Differential diagnosis is crucial, as Phthirus pubis infestation can be indicative of sexual abuse.
  • Screening for sexually transmitted diseases and obtaining a sexual history are recommended in relevant cases.