The tissue damage in individual hypersensitivity reactions is often caused by a mixture of the types of hypersensitivity reaction, for example, a combination of types I and IVa. IVb and IVc in contact hypersensitivity.
Depending on its location and severity, a TBI can affect your vision by damaging parts of the brain involved in visual processing and/or perception (e.g., cranial nerves, optic nerve tract or other circuitry involved in vision, occipital lobe).
The Cerebrum: The cerebrum or cortex is the largest part of the human brain, associated with higher brain function such as thought and action. The cerebral cortex is divided into four sections, called lobes: the frontal lobe, parietal lobe, occipital lobe, and temporal lobe.