![]() ![]() They look at eye health, refractive errors, visual fields, contrast sensitivity, and so on. ![]() Basically, it consists of a doctor standing at arm’s length away from the patient, wiggling his fingers in different areas of the person’s visual field, and saying, “Can you see this?” This is a good, quick-and-dirty test, but unfortunately, it often misses significant visual problems.Ĭomprehensive visual examinations include the types of examinations you would receive normally for annual ophthalmological and optometric examinations. What is administered most often is a basic test called the Confrontation Visual Field Test, or CVFT. To date, if a person has a traumatic brain injury, he is not given a full visual examination. ![]() What are the tests for visual problems like currently? The hope is that in the future this comprehensive test will be part of any evaluation of someone with a TBI whether civilian or military. In moderate to severe TBI, about one third of the troops tested have some sort of visual impairment, which can include visual acuity and field loss, binocular dysfunction, and spatial perceptual deficits.Ĭomplete visual examinations are now a required part of testing for brain injury in all four VA polytrauma centers, which will help with data collection since, until this mandate was passed, comprehensive visual examinations were not an integral part of interdisciplinary protocols for brain injury. In the military population - although we don’t have a definitive statistic - we have found in mild TBIs that troops exposed to one or more blasts can have trouble with their eyes coordinating with one another, what we call “oculomotor or binocular dysfunction.” How common is it to have vision problems after traumatic brain injury (TBI)?įor TBI in general, the literature says 20-40 percent of people with brain injury experience related vision disorders however, the exact prevalence is not known. He also serves as the program coordinator for the Optometric Research Fellowship Program at the VA hospital in Palo Alto. Goodrich is the supervisory research psychologist assigned to the VA Western Blind Rehabilitation Center in Palo Alto, California. Gregory Goodrich to talk about the problems with vision that can arise after a traumatic brain injury. ![]()
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