Acanthamoeba causes Acanthamoeba keratitis when it infects the transparent outer covering of the eye called the cornea. Acanthamoeba amebas are very common in nature and can be found in bodies of water (for example, lakes and oceans), soil, and air.

Where is keratitis most common?

Keratitis is an inflammatory condition that affects the cornea of your eye. The cornea is the clear part that covers both the iris and the pupil. Keratitis can be caused by an infection or injury to the eye. Keratitis is a common condition.

How do I know if I have an amoeba in my eye?

Blurred vision or vision loss. Cloudy or dirty-looking cornea. Eye pain. Eye redness.