Non-Acanthamoeba amebic keratitis

H.S. Dua, A. Azuara-Blanco, M. Hossain, J. Lloyd

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Purpose. To describe the clinical presentation and outcome of two cases with presumed non-Acanthamoeba amebic keratitis. Methods. Case reports. Results. Both patients presented with typical symptoms and signs of Acanthamoeba keratitis. The patients' soft contact lenses, lens cases, open solutions, and conjunctival samples were cultured. Diagnosis of non- Acanthamoeba amebic keratitis was based on the presence of keratitis and amebic growth from patients' contact lenses of the affected eyes. Amebic culture from the contralateral contact lens was negative. Vahlkampfia cysts were identified in case 1, and Naegleria cysts in case 2. Topical treatment with polyhexamethylene biguanide and propamidine resolved the keratitis in case 1. Case 2 was lost to follow-up. Conclusion. Non-Acanthamoeba amebic keratitis was diagnosed in two patients based on the clinical presentation (resembling Acanthamoeba keratitis), culture of the contact lens, and response to antiamebic treatment (in one case). Keratitis associated with Naegleria contamination of contact lenses has not been previously reported.
Original languageEnglish
Pages (from-to)675-677
Number of pages3
JournalCornea
Volume17
Issue number6
DOIs
Publication statusPublished - 01 Jan 1998

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