We found that current opaque eye patches can cause 18 problems during visual field testing. Most unusual was repetitive blackout of vision in the tested eye from the difference in illumination ...

Black patients experienced greater variability in visual field testing compared with white patients in the U.S., according to findings from a retrospective cohort study.Also, the variability was ...

A visual field test, or perimetry, assesses your peripheral (side) vision. Loss of peripheral vision is often the first symptom of glaucoma, causing blind spots or tunnel vision.

Schedule a live demonstration About Virtual Field Virtual Field is at the forefront of virtual visual field testing. Virtual Field’s clinicians have completed more than two million exams and ...

Another test eye doctors use to diagnose peripheral vision loss is the automated static perimetry test. This test maps a person’s visual field to determine where they can and cannot see.

Cranial Nerve II The optic nerve is responsible for vision. 2 To test the function of the optic nerve, begin with a visual field test.

The odds of individuals with open-angle glaucoma undergoing visual field testing decreased for all racial/ethnic groups from 2001 through 2009, but the odds decreased the most for Hispanic men and ...

Visual field testing by confrontation suggested a temporal defect in the left eye. Automated perimetry showed an incomplete right superior quadrantanopia (Figure 1).