Acanthamoeba keratitis due to genotype T11 in a rigid gas permeable contact lens wearer in Spain

Jacob Lorenzo-Morales, Rafael Morcillo-Laiz, Carmen Ma Martín-Navarro, Rogelio López-Vélez, Atteneri López-Arencibia, Francisco Arnalich-Montiel, Sutherland K Maciver, Basilio Valladares, Enrique Martínez-Carretero

Research output: Contribution to journalArticlepeer-review

Abstract / Description of output

A case of a 59-year-old Spanish patient who presented with severe ocular pain, blurred vision, eyelid swelling and foreign body sensation in the right eye is reported. She was a regular gas permeable contact lens [corrected] wearer who initially claimed to maintain standard lens care. After exploration, conjunctival injection, dendritiform corneal ulcers and stromal edema were observed. She was initially treated for a possible viral keratitis due to herpes simplex virus using 3% topical acyclovir and 0.1% dexamethasone eye drops 5 times a day. The patient did not respond to this treatment and six weeks later, corneal scrapings were positive for Acanthamoeba genotype T11. She was then treated with chlorhexidine 0.02%, propamidine 0.1% and 1% cycloplegic eye drops hourly which resulted in a significant improvement. After a month, ocular pain decreased and the clinical signs of keratitis ameliorated observed as a diminution of the size of the ulcer and also in the extension and opacity of the corneal infiltrates. The patient has been following this treatment for 3 months and it is possible that she will have to carry on with it for a whole year. To the best of our knowledge, this is the first case of severe keratitis due to Acanthamoeba genotype T11 in Spain .
Original languageEnglish
Pages (from-to)83-6
Number of pages4
JournalContact Lens & Anterior Eye
Issue number2
Publication statusPublished - 2011


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