The Acanthamoeba organism is motile and has spinelike pseudopods, a single round nucleus in the cyst form, and a large karyosome in the nucleus of the troph. An estimated 70% of clinical cases of Acanthamoeba keratitis are misdiagnosed as __________ keratitis
a. bacterial
b. fungal
c. prion
d. viral
D
An estimated 70% of patients with clinical Acanthamoeba keratitis are misdiagnosed as having viral keratitis. In addition, the average time to diagnosis keratitis as a result of an Acanthamoeba infection can average 2.5 weeks longer for noncontact lens wearers than for contact lens wearers.
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