May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
Best Classification of Acanthamoeba Keratitis
Author Affiliations & Notes
  • H. Shiota
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • M. Inoue
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • Y. Kubo
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • Y. Hayashi
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • H. Eguchi
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • T. Naitou
    Ophthalmology/Vis Neurosci, Univ Tokushima, Tokushima, Japan
  • Footnotes
    Commercial Relationships  H. Shiota, None; M. Inoue, None; Y. Kubo, None; Y. Hayashi, None; H. Eguchi, None; T. Naitou, None.
  • Footnotes
    Support  None.
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 2611. doi:
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    • Get Citation

      H. Shiota, M. Inoue, Y. Kubo, Y. Hayashi, H. Eguchi, T. Naitou; Best Classification of Acanthamoeba Keratitis . Invest. Ophthalmol. Vis. Sci. 2005;46(13):2611.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Abstract: : Purpose:Acanthamoeba keratitis is one of the most difficult ocular infections to treat. It is often misdiagnosed as herpetic keratitis or keratomycosis. Its clinical stages have not been properly classified yet. Therefore, the classification of Acanthamoeba keratitis was tried. Methods:Eight eyes of Acanthamoeba keratitis were carefully observed by slit–lamp along with the treatment. The classification of the disease was done by the clinical progression of our cases with due consideraton of literature. Results:Our 8 eyes showed common features in their clinical progression, starting from punctate keratitis or corneal erosion, forming ring ulcer or infiltrate and finally resulting in corneal opacity. One eye showed nodular scleritis with corneal ulcer. Conclusions:We propose the classification of Acanthamoeba keratitis into 5 stages: early(stage 1), growing(stage 2), established (stage 3), regression(stage 4a), perforated(stage 4b) and cicatrical(stage 5). Also it should be born in mind that the disease can start healing at any stage with proper medication and in rare occasions nodular scleriris is complicated.

Keywords: Acanthamoeba • cornea: clinical science • keratitis 
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