Traumatic Brain Injury And Related Vision Issues.
Over 8 million head injuries occur each year according to the National Center for Health Statistics. Modern medicine saves the vast majority of these people. Many traumatic brain injury survivors suffer from visual problems ranging from dry eyes to visual field loss to double vision. Many patients with visual problems after a head injury fail to receive adequate vision rehabilitation.
Brain injury may affect vision in many ways, including loss of visual field, spatial disorders, vertigo, dizziness and more. Patient may experience visual spatial disorders. When certain portions of the brain are damaged, the patient may fail to appreciate space to the left side.
Following injury to the brain, eye movements may become more jerky in nature. Nystagmus, a jerky motion of the eyes, may occur. Nystagmus results in a vertigo-like sensation. Damage to the brain stem may result in dizziness.
Dry eyes may occur after brain injury. Artificial tears or will usually control the problem.
Memory is often impaired after head injury. A person may no longer be able to recognize faces or letters. A common visual effect of brain injury is the loss of one's ability to see to the side. The most common form of field of vision loss is loss of half of the field of Vision in each eye.
The sensitivity is variable. Some patients have severe sensitivity to light and others do not have this problem. Tinted glasses may aid the patient.
Patients with field loss may result from the Visual Field Awareness System and the Peli Lens benefit. Both systems increase the patient's ability to recognize objects on the side of their visual field. Ocular convergence, or bring the eyes together, is common injuries in the brain affected. Orthoptictherapy may aid this problem.
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