Some vestibular patients' symptoms may be related to a condition called Binocular Vision Dysfunction, where the eyes don't work together, says Dr. Debby Feinberg, an Optometrist who specializes in the diagnosis and treatment of neurological conditions (such as headache and dizziness) that have an optometric or visual cause. In this video she explains how to do a simple test that may indicate if you suffer from BVD. | Vestibular Disorders Association (VEDA)