Visual deficits after traumatic brain injury. 2021

Pratheepa Kumari Rasiah, and Ben Geier, and Kumar Abhiram Jha, and Rajashekhar Gangaraju
Department of Ophthalmology, University of Tennessee Health Science Center, Memphis, TN, USA.

Traumatic brain injury (TBI) is frequently described as any head injury ceasing the brain's normal function. Anatomically, developmentally, and physiologically, the eye is deemed as an extension of the brain. Vision in TBI is underrepresented, and the number of active clinical trials in this field are sparse. Frequently, visual problems are overlooked at the time of TBI, often resulting in progressive vision loss, lengthening, and impairing rehabilitation. TBI can be either penetrative or non-penetrative, associated with degeneration of neurons, apoptotic cell death, inflammation, microglial activation, hemorrhage associated with vascular dysfunction; however, precise animal modeling that mimics the extensive visual deficits of TBI pathology remain elusive. Recent works in both the diagnostics and therapeutics fields are starting to make substantial progress in the right direction. Discussion of current advancements in TBI animal models and the recent pathophysiological findings related to the neuro-glia-vascular unit (NVU) will help elucidate novel targets for potential therapeutics lines. Only over the past decade have newer pharmaceutical and stem cell-based treatments begun to come to light. The potency for these new lines of TBI specific curatives will be discussed along with the review of current blast-induced TBI models, providing potential directions for future research.

UI MeSH Term Description Entries
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000070642 Brain Injuries, Traumatic A form of acquired brain injury which occurs when a sudden trauma causes damage to the brain. Trauma, Brain,Traumatic Brain Injury,Encephalopathy, Traumatic,Injury, Brain, Traumatic,TBI (Traumatic Brain Injury),TBIs (Traumatic Brain Injuries),Traumatic Encephalopathy,Brain Injury, Traumatic,Brain Trauma,Brain Traumas,Encephalopathies, Traumatic,TBI (Traumatic Brain Injuries),Traumas, Brain,Traumatic Brain Injuries,Traumatic Encephalopathies
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D014786 Vision Disorders Visual impairments limiting one or more of the basic functions of the eye: visual acuity, dark adaptation, color vision, or peripheral vision. These may result from EYE DISEASES; OPTIC NERVE DISEASES; VISUAL PATHWAY diseases; OCCIPITAL LOBE diseases; OCULAR MOTILITY DISORDERS; and other conditions (From Newell, Ophthalmology: Principles and Concepts, 7th ed, p132). Hemeralopia,Macropsia,Micropsia,Day Blindness,Metamorphopsia,Vision Disability,Visual Disorders,Visual Impairment,Blindness, Day,Disabilities, Vision,Disability, Vision,Disorder, Visual,Disorders, Visual,Hemeralopias,Impairment, Visual,Impairments, Visual,Macropsias,Metamorphopsias,Micropsias,Vision Disabilities,Vision Disorder,Visual Disorder,Visual Impairments
D020221 Optic Nerve Injuries Injuries to the optic nerve induced by a trauma to the face or head. These may occur with closed or penetrating injuries. Relatively minor compression of the superior aspect of orbit may also result in trauma to the optic nerve. Clinical manifestations may include visual loss, PAPILLEDEMA, and an afferent pupillary defect. Optic Nerve Trauma,Optic Neuropathy, Traumatic,Second Cranial Nerve Trauma,Cranial Nerve II Injuries,Optic Nerve Avulsion,Optic Nerve Contusion,Optic Nerve Transection,Second Cranial Nerve Injuries,Trauma, Second Cranial Nerve,Avulsion, Optic Nerve,Avulsions, Optic Nerve,Contusion, Optic Nerve,Contusions, Optic Nerve,Injuries, Optic Nerve,Injury, Optic Nerve,Nerve Avulsion, Optic,Nerve Avulsions, Optic,Nerve Contusion, Optic,Nerve Contusions, Optic,Nerve Injuries, Optic,Nerve Injury, Optic,Nerve Transection, Optic,Nerve Transections, Optic,Nerve Trauma, Optic,Nerve Traumas, Optic,Neuropathies, Traumatic Optic,Neuropathy, Traumatic Optic,Optic Nerve Avulsions,Optic Nerve Contusions,Optic Nerve Injury,Optic Nerve Transections,Optic Nerve Traumas,Optic Neuropathies, Traumatic,Transection, Optic Nerve,Transections, Optic Nerve,Trauma, Optic Nerve,Traumas, Optic Nerve,Traumatic Optic Neuropathies,Traumatic Optic Neuropathy

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