Learn what a visual field is, how to test it, when to test it, and what different types of tests can be used to test the visual field.

A confrontation visual field test is a common test for peripheral vision. While a person looks directly at an object in the center of their visual field, the eye doctor covers one eye.

While confrontation visual fields are a good initial examination technique, they can often miss more subtle field changes that are found on automated testing.

Our patient had monocular temporal hemianopia, which was reproduced with binocular testing and was highly suggestive of functional visual field loss.