A patient who makes her own saline solution for her contact lenses is examined at her physician's office because she has a blood red, infected right eye.The physician performs bacterial, fungal, and viral cultures, all of which are negative.What is the most probable cause of this infection?

Question

Quizplus · Accepted Answer

Acanthamoeba spp.are the most frequent isolates.Homemade saline solution associated with contact lens wear was the original identified risk factor.Amebic keratitis is often mistaken for viral or fungal keratitis, and a diagnosis of amebic keratitis is made only when all other cultures (bacterial, fungal, and viral) are negative.

A Patient Who Makes Her Own Saline Solution for Her