A Severe Headache
It might seem surprising that a problem with the eye can lead to a headache, but this occurs frequently with many eye conditions. The cornea has many nerves, which makes it very sensitive. Even the slightest bit of debris can be excruciatingly painful. Now imagine an amoeba has infiltrated this sensitive region. As the organism creates more and more damage, the nerves are stimulated. These nerves are connected to other nerves in the head. The main optic nerve behind the eye leads to the brain. Consistent pressure, irritation, and inflammation in the eye caused by Acanthamoeba keratitis can lead to severe headaches.
Continue reading to learn about more Acanthamoeba keratitis symptoms.